f the hand does 40 J of work on the 2.5 kg cart, how fast will it travel? If the person does 480 J of work on the 32kg box to move it at a speed of 4 m/s, how much energy is dissipated due friction? If the spring is compressed 12 cm and has a constant of 860 N/m, how high will the 1.3 kg chicken go?

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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If the hand does 40 J of work on the 2.5 kg cart, how fast will it travel? 

If the person does 480 J of work on the 32kg box to move it at a speed of 4 m/s, how much energy is dissipated due friction?

If the spring is compressed 12 cm and has a constant of 860 N/m, how high will the 1.3 kg chicken go?

Use the values given in the problem. How much work does the weightlifter do?

Use the values given in the problem. How much work does the cable do?

W = K
If the hand does 40 Jof
work on the 2.5 kg cart,
how fast will it travel?
(assume minimal
friction because of the
wheels)
If the person does 480 J
of work on the 32kg box
to move it at a speed of 4
m/s, how much energy is
dissipated due friction?
W = Ky + AEcherm
6.
(assume the box starts
from rest)
If the spring is
compressed 12 cm and
has a constant of 860
N/m, how high will the
1.3 kg chícken go?
U = U,
7
w = Ugr
Use the values given in
the problem. How much
work does the
8
(assume the barbell is
at rest in the "final"
position)
weightlifter do?
Use the values given in
the problem. How much
9.
K + U, + W = 0
work does the cable do?
Transcribed Image Text:W = K If the hand does 40 Jof work on the 2.5 kg cart, how fast will it travel? (assume minimal friction because of the wheels) If the person does 480 J of work on the 32kg box to move it at a speed of 4 m/s, how much energy is dissipated due friction? W = Ky + AEcherm 6. (assume the box starts from rest) If the spring is compressed 12 cm and has a constant of 860 N/m, how high will the 1.3 kg chícken go? U = U, 7 w = Ugr Use the values given in the problem. How much work does the 8 (assume the barbell is at rest in the "final" position) weightlifter do? Use the values given in the problem. How much 9. K + U, + W = 0 work does the cable do?
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