Test bank physics principles with applications -7th edition-giancoli


 

Test Bank Physics Principles delay Applications -7th Edition-Giancoli

Chapter 6 Sample

Exam

Name___________________________________

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

1)Substance A has a hebetude of 3 g/cm3 and body B has a hebetude of 4 g/cm3. In enjoin to obtain1) similar bodyes of these two bodys, what must be the relevancy of the body of A to the body of  B?                      A)VA3B)VA   3C)VA   1D)VA   4E)VA   3    =  =  =   =  =    VBVB VB VB VB    4 1 3  3 4  2)A planeness realm of negligible body and radius R is fully populated delay a running so that its   2) hebetude is ρ. You now expand the realm so its radius is 2R and fully mollify it delay the corresponding  liquid. What is the hebetude of the expandd realm?              A) 8 ρ B) ρ  C) ρ/2   D) ρ/8  E) 4 ρ    3)A styrofoam realm of radius R has a hebetude ρ. You now carefully contract the realm so its3) radius is R/2. What is the hebetude of the contracted realm?           A) 4 ρ B) ρ 8  C) 8 ρ   D) ρ 2E) 2 ρ    4)When a box tranquillitys on a globular quibble of grove on the cause, it compels an middle constraining p on the4) grove. If the grove is replaced by a quibble that has half the cantankerousing of the former duty, what is the  new middle constraining?                     A) p  2 B) p/2  C) 2p   D) 4p  E) p/4    5)When a sluggish metal artranquillity is protected by a cylindrical upstraight assistance of radius R, it compels a obdurateness F5) on the assistance. If the cantankerousing of the assistance is extensiond to 2R, what obdurateness does the artranquillity now compel on  the assistance?                      A) F/2 B) 2F  C) F/4   D) F/2 E) F    6)As shown in the metaphor, abundant mollifys a container having irrelative exceptions. At which of the indicated6) sharp-ends is the constraining earliest?                                          

  1. AC
    1. B
  2. D
    1. The constraining is the corresponding at each of the labeled sharp-ends.

1

7)Consider a good fellow that is altogether immersed in insinuate, delay the crave laterality of the good fellow upright. The7) constraining on the good fellow is  A) earliest on the countenance delay bulkyst area.  B) earliest on the top of the good fellow.  C) earliest on the basiswork of the good fellow.  D) earliest on the edges of the good fellow.  E) the corresponding on all deportments of the good fellow. 8)An air vision underinsinuate has the corresponding constraining as that of the enclosing insinuate. As the air8) vision mollifys inedge the surcountenance (and its latitude scum invariable), the body of the air 

bubble

  1. A) extensions.
  2. B) scum invariable.
  3. C) decreases.
  4. D) extensions or decreases, depending on the reprimand it mollifys.

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

9) A cubical artranquillity of stone is inferiored at a equal reprimand into the penetrating by a crane, always9)

keeping the top and basiswork countenances plain. Which one of the behindcited graphs best describes the probe constraining p on the basiswork of this artranquillity as a operation of time t if the artranquillity proper enters the insinuate at time t = 0 s?

2

10) A cubical artranquillity of stone is inferiored at a equal reprimand into the penetrating by a crane, always10)

keeping the top and basiswork countenances plain. Which one of the behindcited graphs best describes the independent (total) constraining p on the basiswork of this artranquillity as a operation of time t if the artranquillity proper enters the insinuate at time t = 0 s?

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

11) If divine constraining extensions by an sump, which of the behindcited declarations environing the11)constraining in a lake is penny? (There could be past than one chasten exquisite.) A) The independent (total) constraining extensions, but by an sum near than   p. B) The probe constraining does not fluctuate.  C) The probe constraining extensions by  p.  D) The independent (total) constraining extensions byp. E) The independent (total) constraining does not fluctuate. 12) A shut cubical lodging contingent on the pedestal contains oil and a piston. If you propel down on the12)piston obdureprove ample to exstiffness the constraining proper underneath the piston by an sum  p, which of the behindcited declarations is chasten? (There could be past than one chasten exquisite.) 

  1. A) The constraining everywhere in the oil obtain exstiffness by p.
  2. B) The constraining at the top of the oil obtain exstiffness by near than p.
  3. C) The exstiffness in the obdurateness on the top of the lodging obtain be the corresponding as the exstiffness in the obdurateness on the basiswork of the lodging.
  4. D) The constraining at the basiswork of the oil obtain exstiffness by past than p.
  5. E) The constraining on the edges of the lodging obtain not extension.

3

13)The insinuate constraining to an chamber is extensiond by the insinuate fraternity. The insinuate enters the13) chamber through an ingress valve at the countenance of the chamber. Where obtain the exstiffness in the  static insinuate constraining be earliest when no insinuate is abundant in the regularity?  A) at a faucet delay to the ingress valve  B) at a faucet far from the ingress valve  C) There obtain be no exstiffness in the constraining at the faucets.  D) It obtain be the corresponding at all faucets. 14)A waiter mollifys your insinuate glass delay ice insinuate (containing divers ice cubes) such that the running14) insinuate is wholly plane delay the rim of the glass. As the ice melts,  A) the running-insinuate plane scum monied delay the rim of the glass.  B) the running-insinuate plane decreases.  C) the running insinuate plane mollifys, causing insinuate to run down the delayout of the glass. 15)A plump globe of control (hebetude 11.3 g/cm3) is placed in a tub of mercury (hebetude 13.6 g/cm3).15) Which toweringy best describes the development? 

  1. The control obtain suppress to the basiswork of the mercury.
  2. The control globe obtain transport delay its top correspondently plain delay the surcountenance of the mercury.
  3. The control globe obtain transport delay environing 83% of its body balance the surcountenance of the mercury.
  4. The control globe obtain transport delay environing 17% of its body balance the surcountenance of the mercury.

16)A groveen artranquillity contains some nails so that its hebetude is correspondently similar to that of insinuate. If it is16) placed in a tank of insinuate and released from tranquillity when it is fully obscure, it obtain  A) mollify to the deportment.    B) stop where it is released.    C) suppress to the basiswork.   17)A boat assaulted delay casts is transporting in a swimming pool. If the casts are thrown into the pool, the17) insinuate plane in the pool, behind the casts accept fixed to the basiswork,   A) stays the corresponding.B) mollifys.C) falls. 18)Salt insinuate has main hebetude than unskilled insinuate. A boat transports in twain unskilled insinuate and in salt insinuate.18) Where is the lively obdurateness main on the boat?  

  1. in salt insinuate
  2. in unskilled insinuate
  3. The lively obdurateness is the corresponding in twain cases.

19)Salt insinuate is denser than unskilled insinuate. A ship transports in twain unskilled insinuate and salt insinuate. Compared19) to the unskilled insinuate, the body of insinuate dislodged in the salt insinuate is  A) near.  B) the corresponding.  C) past.  D) Cannot be robust consequently we do not distinguish the body of the ship. 20)A steel globe suppresss in insinuate but transports in a pool of mercury, which is greatly denser than insinuate.20) Where is the lively obdurateness on the globe main?  A) It is the corresponding in twain cases. 

  1. B) transporting on the mercury
  2. C) obscure in the insinuate
  3. D) It cannot be robust from the counsel ardent.

4

21) A 10-kg duty of aluminum sits at the basiswork of a lake, straight instant to a 10-kg duty of control, which is21)greatly denser than aluminum. Which one has the main lively obdurateness on it? A) the control B) Twain accept the corresponding lively obdurateness. C) the aluminum D) It cannot be robust delayout distinguishing their bodys. 22) A duty of hale tranquillitys on top of a duty of grove transporting in a bathtub. If the hale is removed from the22)wood, and kept out of the insinuate, what happens to the insinuate plane in the tub? A) It goes up. B) It does not fluctuate. C) It goes down. D) It is impracticable to designate from the counsel ardent. 23) A duty of grove is transporting in a bathtub. A assist duty of grove sits on top of the earliest duty, and23)does not impress the insinuate. If the top duty is charmed off and placed in the insinuate, what happens to the insinuate plane in the tub? 

  1. It does not fluctuate.
  2. It goes up.
  3. It goes down.
  4. It cannot be robust delayout distinguishing the bodys of the two dutys of grove.

24) As a cast suppresss penetratinger and penetratinger into insinuate of invariable hebetude, what happens to the lively24)

hardness on it if it colossusted balance the surcountenance of the insinuate?

  1. A) The lively obdurateness scum invariable.
  2. B) The lively obdurateness earliest extensions and then scum invariable.
  3. C) The lively obdurateness keeps increasing steadily.
  4. D) The lively obdurateness steadily decreases.

5

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

25) A cubical artranquillity of stone is inferiored at a equal reprimand into the penetrating by a crane, always25)

keeping the top and basiswork countenances plain. Which one of the behindcited graphs best describes the lively obdurateness B on this artranquillity as a operation of time t if the artranquillity proper enters the insinuate at time t = 0 s?

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

26) A 50-cm3 artranquillity of grove is transporting on insinuate, and a 50-cm3 chunk of hale is altogether obscure in26)the insinuate. Which one has the main lively obdurateness on it? A) Twain accept the corresponding lively obdurateness. B) the grove C) the hale D) It cannot be robust delayout distinguishing their densities. 27) When you stroke some air balance a Nursing Dissertation disencumber, the Nursing Dissertation mollifys. This happens consequently27)A) the air balance the Nursing Dissertation stirs faster and the constraining is inferior. B) the air balance the Nursing Dissertation stirs sinferior and the constraining is preferable. C) the air balance the Nursing Dissertation stirs sinferior and the constraining is inferior. 

  1. D) the air balance the Nursing Dissertation stirs faster and the constraining scum invariable.
  2. E) the air balance the Nursing Dissertation stirs faster and the constraining is preferable.

6

28)Water issues through a pipe. The cantankerousing of the pipe at sharp-end B is bulkyr than at sharp-end A. Where is28) the insinuate constraining earliest?       A) at sharp-end A         B) at sharp-end B         C) It is the corresponding at twain A and B.      29)Two plain pipes are the corresponding diffusiveness, but pipe B has twice the cantankerousing of pipe A. Water29) undergoes semiliquescent issue in twain pipes, embodied to the corresponding constraining destruction athwart the diffusivenesss of  the pipes. If the issue reprimand in pipe A is Q =V, what is the issue reprimand in pipe B?           t    A) 4QB) 2QC) 8QD) Q  2E) 16Q 30)Two plain pipes accept the corresponding cantankerousing, but pipe B is twice as crave as pipe A. Water30) undergoes semiliquescent issue in twain pipes, embodied to the corresponding constraining destruction athwart the diffusivenesss of  the pipes. If the issue reprimand in pipe B is Q = Vwhat is the issue reprimand in pipe A?           t    A) 8QB) Q  2C) 4QD) 2QE) 16Q 31)A yielding artranquillity of size 2.00 cm × 3.00 cm × 4.00 cm has a body of 30.0 g. What is its hebetude?31) A) 1.60 g/cm3B) 0.80 g/cm3  C) 1.20 g/cm3D) 1.25 g/cm3 32)A contracted gas delay a sum body of 107 kg is stored in a plump container having a radius of32) 0.521 m. What is the hebetude of the contracted gas?    A) 161 kg/m3B) 134 kg/m3  C) 110 kg/m3D) 181 kg/m3 33)The hebetude of embodied at the life of a neutron colossus is almost 1.00 × 1018 kg/m3. What is33) the body of a cube of this embodied that is 1.76 microns on each edge. (One micron is similar to 1.00 ×  10–6 m.)         A) 5.45 kgB) 6.70 kg  C) 6.16 kg D) 4.74 kg 34)Under rule provisions, the hebetude of air is 1.29 kg/m3. What is the body of the air inedge a34) margin measuring 4.0 m × 3.0 m × 2.0 m?       A) 3.1 kgB) 1.9 kgC) 0.32 kgD) 19 kgE) 31 kg 35)A globular fabricate has a cantankerousing of 19.55 mm, a besottedness of 1.55 mm, and a body of 2.50 g. What is its35) hebetude?        

  1. 5 × 103 kg/m3
  2. 34 × 103 kg/m3
  3. 68 × 103 kg/m3
  4. 86 × 10–4 kg/m3
  5. 37 × 103 kg/m3

7

36)A 1938 nickel has a cantankerousing of 21.21 mm, a besottedness of 1.95 mm, and tests 0.04905 N. What is36) its hebetude?      A) 1.37 × 10–4 kg/m3     B) 7.26 × 103 kg/m3      C) 3.63 × 103 kg/m3      D) 1.82 × 103 kg/m3      E) 19.3 × 103 kg/m3     37)How divers grams of ethanol (hebetude 0.80 g/cm3) should be acquired to 5.0 g of chloroform (density37) 1.5 g/cm3) if the developmenting adjustment is to accept a hebetude of 1.2 g/cm3? Assume that the abundants do not  fluctuate their bodys when they are qualified.     A) 1.6 gB) 2.4 gC) 4.4 gD) 2.0 gE) 1.8 g 38)A 100-kg special sits on a 5-kg bicycle. The sum heaviness is borne similarly by the two wheels of the38) bicycle. The fatigues are 2.0 cm spacious and are balancejoyed to a probe constraining of 8.0 × 105 Pa. What diffusiveness  of each fatigue is in continuity delay the cause?     A) 2.4 cmB) 1.6 cmC) 6.4 cmD) 1.8 cmE) 3.2 cm 39)The heaviness of a 1200-kg car is protected similarly by the disgusting fatigues, which are balancejoyed to the corresponding39) probe constraining. What probe constraining is required so the area of continuity of each fatigue delay the thoroughfare is  100 cm2?      A) 2.9 × 105 PaB) 12 × 105 Pa C) 2.9 × 104 PaD) 12 × 104 Pa 40)One of the dangers of tornados and breezes is the quick fall in air constraining that is associated40) delay such storms. Assume that the air constraining inedge of a sealed issue is 1.02 atm when a  breeze hits. The breeze quickly decreases the undoubtful air constraining to 0.910 atm. What net  outward obdurateness is compeled on a clear window of the issue that is 2.03 m on each edge? (1.00 atm =  1.01 × 105 Pa)      A) 4.59 × 104 NB) 5.42 × 105 N C) 4.82 × 105 ND) 5.19 × 104 N 41)Calculate the constraining compeled on the gglobular due to the heaviness of a 79-kg special established on one41) pedestal. if the basiswork of the special’s pedestal is 13 cm spacious and 28 cm crave.   A) 2.2 × 103 PaB) 5.3 × 104 Pa C) 2.1 × 104 PaD) 4.8 × 104 Pa 42)A good fellow tests 50.0 N, and measures 30.0 cm × 10.0 cm × 4.00 cm. What is the maximumpressure42) it can compel on a plain surcountenance due to its heaviness?    A) 1.25 kPaB) 12.5 Pa C) 12.5 kPaD) 1.25 Pa 43)A special conjecture 900 N is established on snowshoes. Each snowshoe has area 2500 cm 2 and has43) negligible heaviness. What constraining does this special’s heaviness compel on the snow?   A) 1800 N/m2B) 0.36 N/m2 C) 0.18 N/m2D) 3600 N/m2 

8

44) A insinuate tank is populated to a profundity of 10 m, and the basiswork of the tank is 20 m balance cause. A44)

water-populated hose that is 2.0 cm in cantankerousing extends from the basiswork of the tank to the cause, but no insinuate is abundant in this hose. The insinuate constraining at gglobular plane in the hose is delayst to which of the behindcited esteems? The hebetude of insinuate is 1000 kg/m3.

  1. × 105 N/m2
  2. 2 N/m2
  3. × 104 N/m2
  4. The scrutiny cannot be toweringyed consequently the cantankerous exceptional area of the tank is needed.

45) The Aswan Elevated Dam on the Nile River in Egypt is 111 m elevated. What is the probe constraining in the45)insinuate at the pedestal of the dam? The hebetude of insinuate is 1000 kg/m3. A) 1.09× 106 Pa B) 1.16× 106 Pa C) 1.11× 105 Pa D) 1.11× 102 Pa E) 1.09× 103 Pa 46) The penetratingest sharp-end of the Pacific Penetrating is 11,033 m, in the Mariana Trench. What is the probe46)constraining in the insinuate at that sharp-end? The hebetude of seainsinuate is 1025 kg/m3. A) 1.11× 108 Pa B) 3.33× 108 Pa C) 8.88× 107 Pa D) 2.22× 108 Pa E) 5.55× 107 Pa 47) The Tonga Encroach in the Pacific Penetrating is 36,000 feet penetrating. Pretentious that sea insinuate has an47)middle hebetude of 1.04 g/cm3, apparty the independent (total) constraining at the basiswork of the encroach in temperatures. (1.00 in = 2.54 cm, 1.00 atm = 1.01 × 105 Pa) A) 1.1 × 108 atm B) 1.1 × 103 atm C) 1.1 × 105 atm D) 1.1 × 106 atm E) 2.1 atm 48) What obdurateness does the insinuate compel (in attention to that due to divine constraining) on a submarine48)window of radius 44.0 cm at a profundity of 9400 m in sea insinuate? The hebetude of sea insinuate is 1025 kg/m3.  A) 5.74× 1011 N B) 5.74× 107 N C) 2.87× 107 N D) 1.83× 107 N E) 2.87× 1011 N 

9

49)A cubical box 25.0 cm on each edge is immersed in a abundant. The constraining at the top surcountenance of the49) box is 109.40 kPa and the constraining on the basiswork surcountenance is 112.00 kPa. What is the hebetude of the  fluid?1000 kg/m3     A)     B) 1060 kg/m3     C)1030 kg/m3     D)1120 kg/m3     E) 1090 kg/m3    50)A spherical window 30 cm in cantankerousing in a submarine can delayconsist a net ultimatum obdurateness of 5.20 ×50) 105 N delayout injury. What is the ultimatum profundity in a unskilled-insinuate lake to which the  submarine can go delayout hurtful the window? The hebetude of unskilled insinuate is 1000 kg/m 3.  A)680 mB) 1200 mC) 740 mD) 750 m 51)A container has a upstraight tube, whose vital radius is 24.00 mm, aapprove to it at its edge, as51) shown in the metaphor. An unrecognized running reaches plane A in the container and plane B in the tube 

–plane A substance 5.0 cm preferable than plane B. The running assistances a 20-cm elevated shaft of oil, betwixt planes B and C, whose hebetude is 570 kg/m3. The body of the oil is delayst to

A) 1000B) 410C) 210D) 620E) 820 52) A container has a upstraight tube, whose vital radius is 12.00 mm, aapprove to it at its edge, as52)

shown in the metaphor. An unrecognized running reaches plane A in the container and plane B in the tube –plane A substance 5.0 cm preferable than plane B. The running assistances a 20-cm elevated shaft of oil, betwixt planes B and C, whose hebetude is 320 kg/m3. The probe constraining at plane B is delayst to

  1. A) 790 Pa B) 940 Pa C) 630 Pa                     D) 310 Pa                      E) 470 Pa

10

53) A container has a upstraight tube, whose vital radius is 20.00 mm, aapprove to it at its edge, as53)

shown in the metaphor. An unrecognized running reaches plane A in the container and plane B in the tube –plane A substance 5.0 cm preferable than plane B. The running assistances a 20-cm elevated shaft of oil, betwixt planes B and C, whose hebetude is 900 kg/m3. The hebetude of the unrecognized running is delayst to

  1. 3300 kg/m3
  2. 3100 kg/m3
  3. 2800 kg/m3
  4. 3900 kg/m3
  5. 3600 kg/m3

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

54) As shown in the metaphor, a bulky unconcealed tank contains a lamina of oil ( hebetude 450 kg/m 3)54)

natant on top of a lamina of insinuate (hebetude 1000 kg/m3) that is 3.0 m luteous, as shown in the depict. What must be the besottedness of the oil lamina if the probe constraining at the basiswork of the tank is to be 8.5 x 104 Pa?

55) A container consists of two upstraight cylindrical shafts of irrelative cantankerousing aapprove by 55) a pinched plain exception, as shown in the metaphor. The unconcealed countenances of the two shafts are shut by very emptiness extracts that can stir up and down delayout attrition. The tube cantankerousing

at A is 35.0 cm and at B it is 10.2 cm. This container is populated delay oil of hebetude 0.820 g/cm3. If a 125-kg sight is placed on the bulkyr extract at A, how greatly body should be placed on the meaner extract at B to test it?

11

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

56) A 12,000-N car is rich using a hydraulic elate, which consists of a U-tube delay battle of unequal56)areas, populated delay oil and capped at twain ends delay tight-fitting pistons. The spaciousr arm of the U-tube has a radius of 18.0 cm and the pincheder arm has a radius of 5.00 cm. The car tranquillitys on the piston on the spaciousr arm of the U-tube. The pistons are moderately at the corresponding plane. What is the moderebuke obdurateness that must be applied to the meaner piston in enjoin to colossust elateing the car? For purposes of this aggregate, default the heaviness of the pistons.    A) 2.90 kNB) 727 NC) 926 ND) 3.33 kNE) 1.20 kN 57) A 12,000-N car is rich using a hydraulic elate, which consists of a U-tube delay battle of unequal57)areas, populated delay oil delay a hebetude of 800 kg/m3 and capped at twain ends delay tight-fitting pistons. The spaciousr arm of the U-tube has a radius of 18.0 cm and the pincheder arm has a radius of 5.00 cm. The car tranquillitys on the piston on the spaciousr arm of the U-tube. The pistons are moderately at the corresponding plane. What is the obdurateness that must be applied to the meaner piston in enjoin to elate the car behind it has been rich 1.20 m? For purposes of this aggregate, default the heaviness of the pistons. A) 1.20 kNB) 1.88 kNC) 1.96 kND) 3.67 kNE) 0.954 kN 58) A 500-N heaviness sits on the mean piston of a hydraulic muniment. The mean piston has an area of58)2.0 cm2. If the bulky piston has an area of 40 cm2, how greatly heaviness can the bulky piston assistance? Assume the pistons each accept negligible heaviness.   A) 40000 NB) 25 NC) 10000 ND) 500 N 59) In a hydraulic garage elate, the mean piston has a radius of 5.0 cm and the bulky piston has a radius59)of 15 cm. What obdurateness must be applied on the mean piston in enjoin to elate a car conjecture 20,000 N on the bulky piston? Assume the pistons each accept negligible heaviness.  A) 6.7 × 103 NB) 2.9 × 103 NC) 5.0 × 103 ND) 2.2 × 103 N 60) A 13,000-N conduct is to be elateed by a 25-cm cantankerousing hydraulic piston. What obdurateness needs to be60)applied to a 5.0 cm cantankerousing piston to shape this? Assume the pistons each accept negligible heaviness.     A) 520 NB) 5200 NC) 2600 N D) 260 N 

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

61) The mean piston of a hydraulic elate has a cantankerousing of 8.0 cm, and its bulky piston has a61)

crossing of 40 cm. The elate raises a assault of 15,000 N. Assume the pistons each accept negligible heaviness.

(a) Designate the obdurateness that must be applied to the mean piston.

(b) Designate the constraining applied to the abundant in the elate.

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

62)A artranquillity of metal tests 40 N in air and 30 N in insinuate. What is the lively obdurateness on the artranquillity due62) to the insinuate? The hebetude of insinuate is 1000 kg/m 3.    A) 40 NB) 70 NC) 10 N D) 30 N 63)If a ship has a body of 10 darling kilograms, what body of unskilled insinuate must it dislodge in enjoin63) to transport? The hebetude of insinuate is 1000 kg/m3.    A) 1012 m3B) 1010 m3C) 107 m3D) 104 m3E) 108 m3 

12

64)An sight has a body of 4.0 m3 and tests 40,000 N. What obtain its undoubtful heaviness be in insinuate64) of hebetude 1000 kg/m3?      A) 800 NB) 40,000 N C) 9,800 ND) 39,200 N 65)A 4.0-kg cylinder of impenetrable hale is protected by a string time obscure in insinuate. What is the65) stiffness in the string? The hebetude of hale is 7860 kg/m3 and that of insinuate is 1000 kg/m3.  A) 2.5 NB) 24 NC) 20 ND) 40 NE) 34 N 66)What lively obdurateness does a 0.60-kg impenetrable gold complete proof when it is immersed in insinuate? The66) hebetude of gold is 19.3 × 103 kg/m3 and that of insinuate is 1000 kg/m3.   A) 3.0 × 10–2 NB) 3.0 × 10–4 N C) 0.30 ND) 3.0 × 10–5 N 67)A crane elates a steel submarine of hebetude 7800 kg/m3 and body 20,000 kg. What is the stiffness in67) the elateing cable (a) when the submarine is obscure in insinuate of hebetude 1000 kg/m 3, and (b)  when it is fully out of the insinuate?     A) (a) 2.6 × 103 N (b) 2.0 × 105 N B) (a) 2.0 × 105 N (b) 2.6 × 103 N  C) (a) 1.7 × 105 N (b) 2.0 × 105 N D) (a) 2.0 × 105 N (b) 1.7 × 105 N 68)An sight tests 7.84 N when it is in air and 6.86 N when it is immersed in insinuate of hebetude 100068) kg/m3. What is the hebetude of the sight?     A) 8000 kg/m3B) 9000 kg/m3 C) 6000 kg/m3D) 7000 kg/m3 69)When a container of insinuate is placed on a laboratory flake, the flake peruses 120 g. Now a 20-g duty69) of copper (of hebetude 8.9 g/cm3) is projecting from a tenor and inferiored into the insinuate, not  touching the basiswork of the container. What obtain the flake now peruse? The hebetude of insinuate is 1.0  g/cm3.      A) 140 gB) 138 g C) 120 gD) 122 g 

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

70) A duty of aluminum delay a body of 1.0 kg and hebetude of 2700 kg/m3 is projecting from a 70) emptiness outsuccession and then fully immersed in a container of insinuate having hebetude 1000

kg/m3.

  • Determine the body of the duty of aluminum.
  • Determine the stiffness in the outsuccession when the aluminum is immersed in the container of insinuate.

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

71) A cylindrical rod of diffusiveness 12 cm and cantankerousing 2.0 cm obtain proper insufficiently transport in insinuate of hebetude 1000    71)

kg/m3. What is its body?   A) 38 gB) 150 gC) 75 gD) 300 g

13

72)A aperverse box of negligible body measures 5.0 m crave, 1.0 m spacious, and 0.50 m elevated. How72) divers kilograms of body can be assaulted onto the box anteriorly it suppresss in a lake having insinuate of  hebetude 1000 kg/m3?     A) 3.5 × 103 kgB) 0.50 × 103 kgC) 2.5 × 103 kgD) 1.5 × 103 kg 73)A 1.00-m3 sight transports in insinuate delay 20.0% of its body balance the insinuateline. What does the73) sight test out of the insinuate? The hebetude of insinuate is 1000 kg/m3.   A) 9,800 NB) 1,960 NC) 11,800 ND) 7,840 N 74)An sight transports delay half its body adown the surcountenance of the insinuate. The heaviness of the dislodged74) insinuate is 2000 N. What is the heaviness of the sight? The hebetude of insinuate is 1000 kg/m3. 

  1. 2000 N
  2. 4000 N
  3. 1000 N
  4. It cannot be robust consequently we do not distinguish the body of the sight.

75)A impenetrable sight transports in insinuate delay three-fourths of its body adown the deportment. What is the75) sight’s hebetude? The hebetude of insinuate is 1000 kg/m 3.    A) 1333 kg/m3B) 1000 kg/m3C) 250 kg/m3D) 750 kg/m3 76)A 200-N sight transports delay three-fourths of its body adown the surcountenance of the insinuate. What is76) the lively obdurateness on the sight? The hebetude of insinuate is 1000 kg/m3.        

  1. 150 N
  2. 267 N
  3. 200 N
  4. 50 N
  5. It cannot be robust consequently we do not distinguish the body of the sight.

77) A polar permit of body 200 kg consists on an ice floe that is a equal 1.0 m luteous. What is the77)stint area of the floe that obtain proper assistance the permit in saltinsinuate of hebetude 1030 kg/m 3? The hebetude of ice is 980 kg/m3.    A) 4.0 m2B) 3.0 m2C) 1.0 m2D) 2.0 m2 

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

78) A groveen raft has a body of 55 kg. When emptiness it transports in insinuate (hebetude 1000 kg/m 3)78)

delay 64% of its body obscure. What ultimatum body of sand can be put on the raft delayout suppressing it?

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

79) A planeness steel globe of cantankerousing 3.0 m proper insufficiently transports in insinuate. What is the respect besottedness of the79)ball? (ρ   = 7.87 g/cm3,ρ = 1.00 g/cm3)   Feinsinuate    A) 6.6 cm B) 79 cmC) 131 cmD) 37 cm 

14

80)A 200-kg vapid-bottomed boat transports in unskilled insinuate, which has a hebetude of 1000 kg/m3. If the sordid80) of the boat is 1.42 m spacious and 4.53 m crave, to what profundity is the basiswork of the boat obscure  when it carries three passengers whose sum body is 257 kg?    A) 7.95 cmB) 7.10 cmC) 7.53 cmD) 8.52 cm 81)A 4.7-kg impenetrable realm, made of metal whose hebetude is 4000 kg/m3, hangs by a emptiness outline. When81) the realm is immersed in insinuate, what is the stiffness in the outline? The hebetude of insinuate is 1000  kg/m3.      A) 46 NB) 35 NC) 52 ND) 40 NE) 58 N 82)A impenetrable realm of body 8.6 kg, made of metal whose hebetude is 3400 kg/m 3, hangs by a outline. When82) the realm is immersed in a running of unrecognized hebetude, the stiffness in the outsuccession is 38 N. The hebetude  of the running is delayst to which one of the behindcited esteems?   

  1. 1500 kg/m3
  2. 1700 kg/m3
  3. 1400 kg/m3
  4. 1600 kg/m3
  5. 1900 kg/m3

83)A barge is 10 m spacious and 60 m crave and has upstraight edges. The basiswork of the boat is 1.2 m underneath83) the insinuate deportment. What is the heaviness of the barge and its lading, if it is transporting in unskilled insinuate of  hebetude 1000 kg/m3?      A) 3.5 MNB) 6.8 MNC) 6.4 MND) 9.5 MNE) 7.1 MN 84)A barge delay upstraight edges is 10 m spacious and 60 m crave and is transporting in unskilled insinuate of hebetude84) 1000 kg/m3. How greatly penetratinger into the insinuate does the barge suppress when 3.0 x 105 kg of coal are  loaded on the barge?      A) 75 cmB) 50 cmC) 1.5 mD) 1.0 mE) 25 cm 85)A hot air globeoon acrave delay its lading has a body of 4.0 x 105 kg, and it holds 7.0 x 105 m3 of hot85) air. It is transporting at a invariable toweringness in air delay a hebetude of 1.29 kg/m3. What is the hebetude of the  hot air in the globeoon?     

  1. 86 kg/m3
  2. 4 kg/m3
  3. 57 kg/m3
  4. 43 kg/m3
  5. 72 kg/m3

86) A special who tests 550 N empties her lungs as greatly as practicable and is then fully86)

immersed in insinuate of hebetude 1000 kg/m3 time projecting from a impede. Her undoubtful heaviness is now 21.2 N. What is her hebetude?

  1. A) 960 kg/m3
  2. B) 1030 kg/m3
  3. C) 1040 kg/m3
  4. D) 1050 kg/m3
  5. E) 56.1 kg/m3

15

87)The bathyscaphe Trieste consists of a thin-walled but very hardy cylindrical hull, 15.2 m crave and87) 3.66 m in cantankerousing, populated delay gasosuccession delay a hebetude of 880 kg/m3 to find it lively. If it is  altogether obscure in seainsinuate delay a hebetude of 1025 kg/m 3 and neither mound nor suppressing, what is  the heaviness of the Trieste craft?     A) 227 kNB) 527 kNC) 427 kND) 127 kNE) 327 kN 88)A cylinder, semispherical in cantankerous-section, is 10 m crave and 5.0 m in radius. It is fully88) obscure, delay its vapid basiswork edge plain and 8.0 m underneath the insinuate deportment, as shown in the        

figure. What is the body of the net obdurateness on the deflexed preferable surcountenance of the half-cylinder? Default divine constraining.

  1. 0 × 106 N
  2. 0 × 106 N
  3. 5 × 106 N
  4. 5 × 106 N
  5. 0 × 106 N

89) A aperverse groveen artranquillity measures 10.0 cm × 4.00 cm × 2.00 cm. When the artranquillity is placed in89)water, it transports plainly, delay its basiswork countenance 1.65 cm underneath the deportment. What is the hebetude of the grove? The hebetude of insinuate is 1.00 g/cm3.   A)0.606 g/cm3    B) 1.21 g/cm3    C)0.350 g/cm3    D)0.825 g/cm3    E) 1.65 g/cm3    90) Consider a very mean nook in the basiswork of a tank that is 17.0 cm in cantankerousing and populated delay insinuate90)to a toweringness of 90.0 cm. Find the accelerebuke at which the insinuate exits the tank through the nook. A)17.64 m/sB) 48.3 m/sC) 44.1 m/sD) 4.20 m/s 91) Insinuate abundant through a cylindrical pipe suddenly comes to a exception of pipe where the cantankerousing91)decreases to 86% of its antecedent esteem. If the accelerebuke of the insinuate in the bulkyr exception of the pipe was 32 m/s, what is its accelerebuke in this meaner exception if the insinuate behaves approve an intellectual incompressible abundant?     A)37 m/sB) 28 m/sC) 43 m/sD) 24 m/s 92) A interrogate uses a piston of 15 cm cantankerousing that stirs at 2.0 cm/s as it propeles a abundant through a pipe.92)What is the accelerebuke of the abundant when it enters a party of the pipe that is 3.0 mm in cantankerousing? Negotiate the abundant as intellectual and incompressible.   A)50 cm/sB) 22 cm/sC) 6.0 cm/sD) 50 m/s 

16

93)An incompressible intellectual abundant issues steadily through a pipe that has a fluctuate in cantankerousing. The93) abundant accelerebuke at a subsidence where the pipe cantankerousing is 8.0 cm is 1.28 m/s. What is the abundant accelerebuke at a  subsidence where the cantankerousing has pincheded to 4.0 cm?    A) 1.3 m/sB) 0.32 m/sC) 2.6 m/sD) 0.64 m/sE) 5.1 m/s 94)Fluid issues at 2.0 m/s through a pipe of cantankerousing 3.0 cm. What is the body issue reprimand of the abundant?94) A) 14 m3/s  B) 57 m3/s   C) 1.4 × 10-3 m3/s D) 5.7 × 10-3 m3/s  95)Ideal incompressible abundant issues through a 4.0-cm-crossing pipe at 1.0 m/s. There is a 2.0 cm95) cantankerousing constriction in the succession. What is the accelerebuke of the abundant in this constriction?  A) 2.0 m/sB) 0.50 m/sC) 4.0 m/sD) 0.25 m/s 96)Water, which we can negotiate as intellectual and incompressible, issues at 12 m/s in a plain pipe delay a96) constraining of 3.0 × 104 Pa. If the pipe spaciousns to twice its former radius, what is the constraining in the  saunter exception?      A) 9.8 × 104 PaB) 4.9 × 104 PaC) 3.0 × 104 PaD) 7.4 × 104 Pa 97)A nook of radius 1.0 mm forms in the basiswork of a very bulky insinuate storage tank that holds insinuate to97) a profundity of 15 m. At what body reprimand obtain insinuate issue out of the nook?   A) 5.4 × 10–6 m3/s  B) 5.4 × 10–5 m3/s   C) 5.4 × 10–4 m3/s D) 5.4 × 10–7 m3/s  98)Ideal incompressible insinuate issues through a plain pipe of cantankerous-sectional area 10.0 cm2 at a98) constraining of 0.250 atm delay a body issue reprimand of 1.00 × 10–3 m3/s. At a valve, the powerful  cross-sectional area of the pipe is mean to 5.00 cm 2. What is the constraining at the valve?  A) 0.112 atmB) 0.157 atmC) 0.235 atmD) 0.200 atm 99)For a undoubtful resigned, the build-up of fatty tissue on the respect of an artery has decreased the arterial99) radius by 10%. By how greatly would the constraining granted by the nature accept to be extensiond to  maintain a invariable body of lineage issue? Model the lineage as an intellectual incompressible abundant.  A) 46%B) 52%C) 48%D) 54% 

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

100) An intellectual incompressible abundant issues at 0.252 m/s through a 44-mm cantankerousing cylindrical100)

pipe. The pipe spaciousns to a square cantankerous exceptional area that is 5.5 cm on a edge. Assume equal issue throughout the regularity.

(a) What is the accelerebuke of the abundant through the clear exception of pipe?

(b) What is the issue reprimand in liters per tiny?

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

101) Intellectual incompressible insinuate is abundant in a drainage muniment of aperverse cantankerous-section. At one101)point, the width of the muniment is 12 m, the profundity of insinuate is 6.0 m, and the accelerebuke of the issue is 2.5 m/s. At a sharp-end downstream, the width has pincheded to 9.0 m, and the profundity of insinuate is 8.0 m. What is the accelerebuke of the issue at the assist sharp-end?   A) 4.0 m/sB) 3.5 m/sC) 3.0 m/sD) 2.0 m/sE) 2.5 m/s       

17

102)Water is abundant in a drainage muniment of aperverse cantankerous-section. The width of the muniment is 15102) m, the profundity of insinuate is 8.0 m, and the accelerebuke of the issue is 2.5 m/s. What is the body issue reprimand of  the insinuate? The hebetude of insinuate is 1000 kg/m3.    A) 3.0 × 105 kg/s      B) 3.0 × 103 kg/s      C) 2.0 × 103 kg/s      D) 3.0 × 102 kg/s      E) 2.0 × 105 kg/s     103)In a exception of plain pipe delay a cantankerousing of 3.0 cm, the constraining is 100 kPa and insinuate is103) abundant delay a accelerebuke of 1.5 m/s. The pipe pincheds to 2.0 cm. What is the constraining in the pincheder  region? Negotiate the insinuate as an intellectual incompressible abundant.    A) 95 kPaB) 230 kPaC) 48 kPaD) 44 kPaE) 67 kPa 104)Water issues through a plain pipe of cantankerous-sectional area 10.0 cm2 at a constraining of 0.250 atm104) delay a issue reprimand is 1.00 L/s. At a valve, the powerful cantankerous-sectional area of the pipe is mean to  5.00 cm2. What is the constraining at the valve? The hebetude of insinuate is 1000 kg/m 3, and negotiate it as an  intellectual incompressible abundant.     A) 0.200 atmB) 7700 PaC) 0.157 atmD) 0.235 atmE) 0.110 atm 105)An intellectual incompressible abundant issues at 12 m/s in a plain pipe. If the pipe spaciousns to twice its105) former radius, what is the issue accelerebuke in the spaciousr exception?    A) 6.0 m/sB) 12 m/sC) 3.0 m/s D) 4.0 m/s 106)Water issues out of a bulky reservoir through an unconcealed pipe, as shown in the metaphor. What is the accelerate106) of the insinuate as it comes out of the pipe?    

A) 16 m/sB) 13 m/sC) 14 m/sD) 9.9 m/sE) 8.9 m/s 107) Insinuate issues out of a bulky reservoir through 5.0-cm cantankerousing pipe. The pipe connects to a 3.0-cm107)crossing pipe that is unconcealed to the temperature, as shown in the metaphor. What is the accelerebuke of the insinuate in the 5.0-cm pipe? Negotiate the insinuate as an intellectual incompressible abundant.  

  1. A) 2.3 m/s B) 8.9 m/s C) 3.2 m/s                    D) 10 m/s                      E) 3.9 m/s

18

108) A pressurized cylindrical tank, 5.0 m in cantankerousing, contains insinuate that emerges from the pipe at108)

sharp-end C delay a accelerebuke of 13 m/s as shown in the metaphor. Sharp-end A is 10 m balance sharp-end B and sharp-end C is 3.0 m balance sharp-end B. The area of the pipe at sharp-end B is 0.080 m 2 and the pipe pincheds to an area of

0.040 m2 at sharp-end C. Assume that the insinuate is an intellectual abundant in laminar issue. The hebetude of insinuate is

1000 kg/m3 The body issue reprimand in the pipe is delayst to

A) 310 Kg/s.B) 520 Kg/s.C) 470 Kg/s.D) 420 Kg/s.E) 360 Kg/s. 109) A pressurized cylindrical tank, 5.0 m in cantankerousing, contains insinuate that emerges from the pipe at109)

sharp-end C delay a accelerebuke of 84 m/s, as shown in the metaphor. Sharp-end A is 10 m balance sharp-end B and sharp-end C is 3.0 m balance sharp-end B. The area of the pipe at sharp-end B is 0.080 m 2 and the pipe pincheds to an area of

0.070 m2 at sharp-end C. Assume that the insinuate is an intellectual abundant in laminar issue. The hebetude of insinuate is

3

  1. A) 210 mm/s. B) 250 mm/s. C) 340 mm/s.              D) 160 mm/s.               E) 300 mm/s.

SHORT ANSWER. Write the tidings or specialty that best completes each declaration or toweringys the scrutiny.

110) As shown in the metaphor, insinuate (hebetude 1000 kg/m3) is abundant in a pipeline. At sharp-end 1 the110)

insinuate accelerebuke is 5.90 m/s. Sharp-end 2 is 5.20 m balance sharp-end 1. The cantankerous -sectional area of the pipe is 0.0800 m2 at sharp-end 1 and 0.0200 m2 at sharp-end 2. What is the constraining destruction p1 – p2 betwixt sharp-ends 1 and 2? Negotiate the insinuate as an intellectual incompressible abundant.

5.20 m

19

111) A bulky cylindrical insinuate tank 11.5 m in cantankerousing and 13.5 m towering is protected delay its sordid    111)

8.75 m balance the gglobular by a consist as shown in the metaphor. The insinuate plane in the tank is

10.6 m penetrating, and the hebetude of the insinuate in the tank is 1.00 g/cm3. A very mean nook is formed at the sordid of the upstraight respect of the tank, and insinuate is squirting out of this nook plainly. When this insinuate hits the cause, how far has it traveled plainly from the nook, pretentious no air hindrance?

MULTIPLE CHOICE. Choose the one resource that best completes the declaration or toweringys the scrutiny.

112)Glycerin, delay a viscosity of 1.5 N · s/m2, is abundant delay an middle accelerebuke of 1.2 m/s through a112) tube that has a radius of 5.0 mm and is 25 cm crave. What is the fall in constraining balance the diffusiveness of  this pipe?      A) 72 kPaB) 46 kPaC) 130 kPaD) 76 kPaE) 140 kPa 113)Motor oil, delay a viscosity of 0.25 N · s/m2, is abundant through a tube that has a radius of 3.0 mm113) and is 1.0 m crave. The fall in constraining balance the diffusiveness of the tube is 200 kPa. What is the middle  accelerebuke of the oil?      A) 1.2 m/sB) 0.90 m/sC) 1.1 m/sD) 0.80 m/sE) 1.0 m/s 114)Motor oil, delay a viscosity of 0.25 N · s/m2, is abundant through a tube that has a radius of 5.0 mm114) and is 25 cm crave. The fall in constraining is 300 kPa. What is the body of oil abundant through the  tube per assist?     

  1. 025 m3/s
  2. 0012 m3/s
  3. 7 m3/s
  4. 00038 m3/s
  5. 5 m3/s

20

115) A abundant is abundant delay an middle accelerebuke of 1.5 m/s through a tube that has a radius of 2.0 mm and 115) is 18 cm crave. The fall in constraining is 967 Pa. What is the viscosity of the abundant?

  1. 0018 N · s/m2
  2. 028 N · s/m2
  3. 0056 N · s/m2
  4. 0034 N · s/m2
  5. 013 N · s/m2

21

Answer Key

Testname: UNTITLED1

  • D
  • B
  • C
  • D
  • E
  • E
  • C
  • A
  • A
  • C
  • B, D
  • A, C
  • D
  • A
  • D
  • B
  • C
  • C
  • A
  • B
  • C
  • C
  • A
  • B
  • B
  • C
  • A
  • B
  • E
  • D
  • D
  • D
  • A
  • E
  • E
  • B
  • D
  • E
  • A
  • A
  • C
  • C
  • A
  • A
  • A
  • A
  • B
  • B
  • B
  • D

22

Answer Key

Testname: UNTITLED1

  • C
  • C
  • E
  • 13 m
  • 6 kg
  • C
  • C
  • C
  • D
  • A
  • (a) 600 N (b) 1.2 × 105 Pa
  • C
  • D
  • A
  • E
  • C
  • C
  • A
  • D

70) (a) 3.7 × 10–4 m3     (b) 6.2 N

  • A
  • C
  • D
  • A
  • D
  • C
  • A
  • 31 kg
  • A
  • B
  • B
  • E
  • E
  • B
  • E
  • C
  • A
  • A
  • D
  • D
  • C
  • D
  • E
  • C
  • C
  • A
  • B
  • C
  • B

23

Answer Key

Testname: UNTITLED1

100) (a) 0.13 m/s     (b) 23 L/min

  • E
  • A
  • A
  • D
  • C
  • B
  • C
  • B
  • E
  • 12 × 105 Pa
  • 3 m
  • E
  • B
  • B
  • A