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 = KIf the hand does 40 Jofwork on the 2.5 kg cart,how fast will it travel?(assume minimalfriction because of thewheels)If the person does 480 Jof work on the 32kg boxto move it at a speed of 4m/s, how much energy isdissipated due friction?W = Ky + AEcherm6.(assume the box startsfrom rest)If the spring iscompressed 12 cm andhas a constant of 860N/m, how high will the1.3 kg chícken go?U = U,7w = UgrUse the values given inthe problem. How muchwork does the8(assume the barbell isat rest in the "final"position)weightlifter do?Use the values given inthe problem. How much9.K + U, + W = 0work does the cable do?

Name: If the hand does 40 J of work on the 2.5 kg cart, how fast will it tra
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Description: 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 constan

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University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 26P: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 2.0 gal of gasoline. Only 30 of the...

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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?

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