Part I: Energy Bar Charts Kristen and her friend Peter go to the park to ride on the swings. Complete the tables below to describe all the energy transformations. You can let U=0 when Peter is at his lowest point, and that he rises a vertical distance h above the lowest point when he is at the top of his swing. The first one is done for you. Be sure to identify the system in each step. Initial State Peter has no Final State Peter is at the velocity and is at the highest point bottom of his of his swing. swing and is going really fast. Construct the Work-Energy Bar Chart Before After K₁ + U₂i + U₁i + W = K₁+ Ugr+ Us System: Peter, Earth Initial State Peter is at the Final State Peter gets to the bottom of the top of his swing swing moving really fast. and slows down to a stop. System: Peter has no velocity and is at the highest point of his swing. Peter is at the bottom of his swing and is going really fast backwards. 0 Equation: mgh = ½ mv²² Construct the Work-Energy Bar Chart 0 Before After K; + U₂i + U¸¡ + W = K₁+ U₁₁+ U₂ Equation: 0 Before After K¡ + Ugi + U₁i + W = K₁+ U₁₁+ U₂i System: Equation:
Part I: Energy Bar Charts Kristen and her friend Peter go to the park to ride on the swings. Complete the tables below to describe all the energy transformations. You can let U=0 when Peter is at his lowest point, and that he rises a vertical distance h above the lowest point when he is at the top of his swing. The first one is done for you. Be sure to identify the system in each step. Initial State Peter has no Final State Peter is at the velocity and is at the highest point bottom of his of his swing. swing and is going really fast. Construct the Work-Energy Bar Chart Before After K₁ + U₂i + U₁i + W = K₁+ Ugr+ Us System: Peter, Earth Initial State Peter is at the Final State Peter gets to the bottom of the top of his swing swing moving really fast. and slows down to a stop. System: Peter has no velocity and is at the highest point of his swing. Peter is at the bottom of his swing and is going really fast backwards. 0 Equation: mgh = ½ mv²² Construct the Work-Energy Bar Chart 0 Before After K; + U₂i + U¸¡ + W = K₁+ U₁₁+ U₂ Equation: 0 Before After K¡ + Ugi + U₁i + W = K₁+ U₁₁+ U₂i System: Equation:
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Part I: Energy Bar Charts
Kristen and her friend Peter go to the park to ride on the swings. Complete the tables below to
describe all the energy transformations. You can let U=0 when Peter is at his lowest point, and
that he rises a vertical distance h above the lowest point when he is at the top of his swing. The
first one is done for you. Be sure to identify the system in each step.
Initial State
Peter has no
Final State
Peter is at the
velocity and is at
the highest point
bottom of his
of his swing.
swing and is going
really fast.
Construct the Work-Energy Bar Chart
Before
After
K₁ + U₂i + U₁i + W = K₁+ Ugr+ Us
System: Peter, Earth
Initial State
Peter is at the
Final State
Peter gets to the
bottom of the
top of his swing
swing moving
really fast.
and slows down to
a stop.
System:
Peter has no
velocity and is at
the highest point
of his swing.
Peter is at the
bottom of his swing
and is going really
fast backwards.
0
Equation: mgh = ½ mv²²
Construct the Work-Energy Bar Chart
0
Before
After
K; + U₂i + U¸¡ + W = K₁+ U₁₁+ U₂
Equation:
0
Before
After
K¡ + Ugi + U₁i + W = K₁+ U₁₁+ U₂i
System:
Equation:
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