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A 500-kg dragster accelerates from rest to a final speed of 96 m/s in 400...

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Physics

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A 500-kg dragster accelerates from rest to a final speed of 96 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. Calculate the average power output of the dragster if this takes 7.5 s. Hint: The dragster does work to speed up and to counter friction.

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