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8 October, 09:05

A car travels at a constant velocity of 20.0 meters/second for 15 seconds. What is the power of the car if the initial force applied to it was 95 newtons?

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  1. 8 October, 09:27
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    Work done by the force = Force x displacement. Power = work done/time = F. s/t = F. u. t/t = F. u = 95 x 20 = 1900J. {S=ut because acceleration is zero since car is moving at constant velocity}.
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