# Southern New Hampshire University Importance of History Discussion

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Need to get my PHY101 Final Milestone Two done. I will attach the rubric with all the instruction on everything I will need done. I will include a copy of the Milestone One paper so that you have an idea of what Rube Goldberg device I wrote about. I will also copy and paste a segment here:This assignment needs to be 2-3 pages long.I. Step Selection: Select a step or stage in the Rube Goldberg device. Provide a concise description of the step. II. Previous Step A. Description: Analyze the behavior of the object in the interaction between the previous step and the selected step, qualitatively describing the transfer of energy that occurs. Which principles of conservation of energy and momentum can you apply to this behavior? B. Equations: Provide the equations that can be used to describe the transfer of energy and the momentum of the object from the previous step to the selected step. What is the connection between the basic physics concepts in the equations and the interaction of the object and force(s) from step to step? C. Calculations: Using the applicable equations you identified, calculate the transfer of energy and the momentum from the previous step to the selected step. How do these calculations help you predict the object’s location and velocity from the previous step to the step you selected? III. Selected Step B. Equations: If applicable, provide the equations that can be used to describe the change in type and amount of energy across the selected step. C. Energy Calculation: Calculate the amount of energy that is converted from one form to another form using the changes in mass and height. For example, if appropriate for your selected step, you could calculate the transformation of potential energy to kinetic energy. IV. Subsequent Step A. Description: Analyze the behavior of the object in the interaction between the selected step and the subsequent step, qualitatively describing the transfer of energy that occurs. Which principles of conservation of energy and momentum can you apply to this behavior? B. Equations: Provide the equations that can be used to describe the transfer of energy and the momentum of the object. What is the connection between the basic physics concepts in the equations and the interaction of the object and force(s) from step to step? C. Calculations: Using the applicable equations you identified, calculate the transfer of energy and the momentum from your selected step to the subsequent step. How do these calculations help you predict the object’s location and velocity from the step you selected to the subsequent step?

PHY 101 Milestone Two Guidelines and Rubric
The final project for this course is the creation of an analysis report. For Milestone Three, you will submit Setup of the Quantitative Description of Your Rube
Goldberg Device Step.
This milestone is due in Module Five. It will provide an additional step towards the completion of the final project. This step should be fully analyzed in the final
submission. Your submission will demonstrate the knowledge of how to calculate the values that give a quantitative description of what is going on during the
selected step and at the transitions to/from the neighboring steps, using the quantitative description as a starting point.
Specifically, the following critical elements must be addressed:
I.
Step Selection: Select a step or stage in the Rube Goldberg device. Provide a concise description of the step.
II.
Previous Step
A. Description: Analyze the behavior of the object in the interaction between the previous step and the selected step, qualitatively describing the
transfer of energy that occurs. Which principles of conservation of energy and momentum can you apply to this behavior?
B. Equations: Provide the equations that can be used to describe the transfer of energy and the momentum of the object from the previous step to
the selected step. What is the connection between the basic physics concepts in the equations and the interaction of the object and force(s)
from step to step?
C. Calculations: Using the applicable equations you identified, calculate the transfer of energy and the momentum from the previous step to the
selected step. How do these calculations help you predict the object’s location and velocity from the previous step to the step you selected?
III.
Selected Step
B. Equations: If applicable, provide the equations that can be used to describe the change in type and amount of energy across the selected step.
C. Energy Calculation: Calculate the amount of energy that is converted from one form to another form using the changes in mass and height. For
example, if appropriate for your selected step, you could calculate the transformation of potential energy to kinetic energy.
IV.
Subsequent Step
A. Description: Analyze the behavior of the object in the interaction between the selected step and the subsequent step, qualitatively describing
the transfer of energy that occurs. Which principles of conservation of energy and momentum can you apply to this behavior?
B. Equations: Provide the equations that can be used to describe the transfer of energy and the momentum of the object. What is the connection
between the basic physics concepts in the equations and the interaction of the object and force(s) from step to step?
C. Calculations: Using the applicable equations you identified, calculate the transfer of energy and the momentum from your selected step to the
subsequent step. How do these calculations help you predict the object’s location and velocity from the step you selected to the subsequent
step?
Guidelines for Submission: Submit assignment as a Word document with double spacing, 12-point Times New Roman font, and one-inch margins. Your
paper should be 2- to 3-pages.
Critical Elements
Step Selection
Previous Step:
Description
Previous Step:
Equations
Proficient (100%)
Selects and concisely describes step in
Rube Goldberg device
Accurately analyzes behavior of object in
the interaction between the previous step
and the selected step, qualitatively
describing the transfer of energy that
occurs, and applies principles of
conservation of energy and momentum to
behavior
Provides correct equations for describing
the transfer of energy and momentum of
the object from the previous step to the
selected step and clearly explains the
connection between laws and principles
in the equations and the interaction of the
object and force(s)
Previous Step:
Calculations
Accurately calculates the transfer of
energy and momentum from the previous
step to the selected step and clearly
explains how the calculations can be used
to predict the object’s location and
velocity
Selected Step:
Equations
Provides correct, applicable equations for
describing the change in type and amount
of energy across the selected step
Selected Step: Energy
Calculation
Accurately calculates the amount of
energy converted from one form to
another using changes in mass and height
Needs Improvement (75%)
Selects and describes step in Rube
Goldberg device but description is wordy
or vague
Analyzes behavior of object in the
interaction between the previous step and
the selected step and applies principles of
conservation of energy and momentum to
behavior but response lacks accuracy,
detail, or qualitative description of
transfer of energy
Provides equations for describing the
transfer of energy and momentum of the
object from the previous step to the
selected step and explains the connection
between laws and principles in the
equations and the interaction of the
object and force(s), but not all equations
are correct or explanation lacks clarity or
detail
Calculates the transfer of energy and
momentum from the previous step to the
selected step and explains how the
calculations can be used to predict the
object’s location and velocity, but
calculations contain inaccuracies or
explanation lacks clarity or detail
Provides equations for describing the
change in type and amount of energy
across the selected step but not all
equations are correct or applicable to
energy changes
Calculates the amount of energy
converted from one form to another using
changes in mass and height but with gaps
in accuracy
Not Evident (0%)
Does not select and describe step in Rube
Goldberg device
Value
10
Does not analyze behavior of object in the
interaction between the previous step and
the selected step and does not apply
principles of conservation of energy and
momentum to behavior
10
Does not provide equations for describing
the transfer of energy and momentum of
the object from the previous step to the
selected step
10
Does not calculate the transfer of energy
and momentum from the previous step to
the selected step
10
Does not provide equations for describing
the change in type and amount of energy
across the selected step
10
Does not calculate the amount of energy
converted from one form to another using
changes in mass and height
10
Subsequent Step:
Description
Subsequent Step:
Equations
Accurately analyzes behavior of object in
the interaction between the selected step
and the subsequent step, qualitatively
describing the transfer of energy that
occurs, and applies principles of
conservation of energy and momentum to
behavior
Provides correct equations for describing
the transfer of energy and momentum of
the object from the selected step to the
subsequent step and clearly explains the
connection between laws and principles
in the equations and the interaction of the
object and force(s)
Subsequent Step:
Calculations
Accurately calculates the transfer of
energy and momentum from the selected
step to the subsequent step and clearly
explains how the calculations can be used
to predict the object’s location and
velocity
Articulation of
Response
Submission has no major errors related to
citations, grammar, spelling, syntax, or
organization
Analyzes behavior of object in the
interaction between the selected step and
the subsequent step and applies
principles of conservation of energy and
momentum to behavior, but response
lacks accuracy, detail, or qualitative
description of transfer of energy
Provides equations for describing the
transfer of energy and momentum of the
object from the selected step to the
subsequent step and explains the
connection between laws and principles
in the equations and the interaction of the
object and force(s), but not all equations
are correct or explanation lacks clarity or
detail
Calculates the transfer of energy and
momentum from the selected step to the
subsequent step and explains how the
calculations can be used to predict the
object’s location and velocity, but
calculations contain inaccuracies or
explanation lacks clarity or detail
Submission has major errors related to
citations, grammar, spelling, syntax, or
organization that negatively impact
readability and articulation of main ideas
Does not analyze behavior of object in the
interaction between the selected step and
the subsequent step and does not apply
principles of conservation of energy and
momentum to behavior
10
Does not provide equations for describing
the transfer of energy and momentum of
the object from the selected step to the
subsequent step
10
Does not calculate the transfer of energy
and momentum from the selected step to
the subsequent step
10
Submission has critical errors related to
citations, grammar, spelling, syntax, or
organization that prevent understanding
of ideas
Earned Total
10
100%
Dustyn Weaver
PHY101
Southern New Hampshire University
January 23, 2020
Final Milestone Part 1 Rube Goldberg Machine
Rude Goldberg Machine is based on conservation of energy, i.e. energy is always conserved in a
process; it is described with the following equation:
PE (t=0) +KE (t=0) =PE (t=tf) +KE (t=tf) +W (done by system).
Where PE represents potential energy and is most commonly in the form of gravitational potential
energy (mgh, where m is mass, g is the acceleration of gravity and h is height) or elastic potential
energy (0.5kx^2, where k is the spring constant and x is the displacement of the spring from rest
length).
KE represents kinetic energy (0.5mv^2 were m is mass and v is velocity).
W represents work, which can be cause by an object moving against friction or heat generation or
desired work done.
The purpose of my Rube Goldberg Machine is switching on the reading light in my room in two
steps.
Step 1: A ball of radius r and mass m is placed on the slanted platform and disturbed from its
equilibrium position.
In rolling down without slipping for a distance of S down the inclined plane. During the roll, the
height of rolling ball changes by h units.
In rolling down the inclined plane, the potential energy (mgh) is transformed into linear and
rotational kinetic energy.
2
Kinetic Energy =
1
1
1
12
1
1
7
 v 
mv 2 + I 2 = mv 2 +  mr 2   = mv 2 + mv 2 = mv 2
2
2
2
25
2
5
10
 r 
And as per conversation of energy:
1 2 1 2 7
mv + mv = mv 2
2
5
10
10
v 2 = gh
7
10 gh
v=
7
mgh =
Step 2: The rolling ball hits the stick placed vertically immediately at the bottom of the inclined
plane. The vertical stick is nailed in the middle so that it can oscillate left and right about its middle
point. As the rolling ball hits the wooden stick, the momentum of the rolling ball is transferred to
stick.
The lower portion of the stick will move left while the upper portion of the stick will move right,
effectively tapping the electric switch of the reading light. In this process, the velocity of the rolling
balls reduces to zero and, as the Newton’s second law, change of momentum is equal to Ft .
mv = Ft
The force is applied to the stick which brings the stick into action and makes a movement towards
left direction.