Physics, 18.08.2021 01:00 amandapill
A playground merry-go-round spins about its axis with negligible friction. A child moves from the center of the merry-go-round to the rim. For this system, indicate which of the following quantities change.
A. Potential energy
B. Angular momentum
C. Mass
D. Moment of inertia
E. Angular speed
F. Rotational kinetic energy
Answers: 3
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In a system, when potential energy decreases, then entropy also decreases. true false
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The material that keeps its new shape after it is stretched is called?
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What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.
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A playground merry-go-round spins about its axis with negligible friction. A child moves from the ce...
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