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

Net Work & Kinetic Energy

Net Work & Kinetic Energy

Net Work & Kinetic Energy

Net Work & Kinetic Energy