Physics, 08.04.2021 16:40 sondrascott7351
Sam watched his Dad fix a flat tire on their car. His dad had a compressor that he used for this. The hose of the compressor was attached to the tire and like magic, Sam watched the tire get bigger and bigger! His Dad told him that the compressor used the air in the atmosphere to inflate the tire. "But I can't see anything," said Sam. Which is the BEST response to Sam's question?
Answers: 1
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Amerry-go-round of radius r, shown in the figure, is rotating at constant angular speed. the friction in its bearings is so small that it can be ignored. a sandbag of mass m is dropped onto the merry-go-round, at a position designated by r. the sandbag does not slip or roll upon contact with the merry-go-round. how would you rank the following different combinations of m and r on the basis of the angular speed of the merry-go-round after the sandbag "sticks" to the merry-go-round from largest to smallest. a) m = 10kg, r = 0.25r b) m = 20kg, r = 0.25r c) m = 10kg, r = 0.50r d) m = 10kg, r = 1.0r e) m = 15kg, r = 0.75r f) m = 40kg, r = 0.25r
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Sam watched his Dad fix a flat tire on their car. His dad had a compressor that he used for this. Th...
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