W = K; If the hand does 40 J of 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 = K; +AEtherm (assume the box starts from rest) If the spring is Usi = Ug compressed 12 cm and has a constant of 860 N/m, how high will the 1.3 kg chicken go?

W = K; If the hand does 40 J of 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 = K; +AEtherm (assume the box starts from rest) If the spring is Usi = Ug 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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Question

If the hand does 40 J of
work on the 2.5 kg cart,
W = Kf
(assume minimal
how fast will it travel?
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 = K; + AE¢herm
%3D
(assume the box starts
from rest)
If the spring is
U = Ug,
compressed 12 cm and
has a constant of 860
Usi
N/m, how high will the
1.3 kg chicken go?

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