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An older-model car accelerates from 0 to speed v in a time interval of ?t. A...

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Physics

An older-model car accelerates from 0 to speed v in a timeinterval of ?t. A newer, more powerful sports car accelerates from0 to 2v in the same time period. Assuming the energy coming fromthe engine appears only as kinetic energy of the cars, compare thepower of the two cars.

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