Spinning
can someone answer this and explain the reasoning behind it? suppose you are stan...
Physics, 30.09.2019 07:50, lunarStudios123
Spinning
can someone answer this and explain the reasoning behind it? suppose you are standing on the center of a merry-go-round that is at rest. you are holding a spinning bicycle wheel over your head so that its rotation axis is pointing upward. the wheel is rotating counterclockwise when observed from above. for this problem, neglect any air resistance or friction between the merry-go-round and its foundation. suppose you now grab the edge of the wheel with your hand, stopping it from spinning. what happens to the merry-go-round?
a. it remains at rest.
b. it begins to rotate counterclockwise (as observed from above)
c. it begins to rotate clockwise (as observed from above). !
Answers: 2
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Write a question about how changing temperature affects the gas inside the sports ball
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Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.
Answers: 3
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
Answers: 1
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=force × distance a. work b. velocity c. pressure d. momentum
Answers: 1
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