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A person lifts a 4.7 kg cement block avertical distance of 1.02 m and thencarries the block horizontally a distance of 9.10 m.
(a) How much work is done by the person in theprocess?
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(b) How much work is done by gravity in the process?
A sphere of radius R and mass M is initially spinning about its center with a given angular velocity of omega. Find how far the sphere travels before it stops slipping
Describe what quantity shows the measurements are consistent with a large amount of dark matter:
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a total of 3.02 x 106 electrons are placed on an initially uncharged wire of length 1.45 m.a what is the magnitude of
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in a single slit diffraction experiment, the width of the slit is 2x10^-5 m and the distance from the slit to the screen is 2 m. what is the linear distance on the screen from the center of the diffraction pattern to the second dark fringe
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