A car moving at 27.8 m/s encounters a resistive air frictional force of 215 Newtons. How much power must the engine generate to maintain this speed?
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Expert's answer
2020-11-23T05:29:41-0500
The engin must generate the same force, "F = 215N" in order to maintain any constant speed. But in ordrer to maintain particulary "v = 27.8m\/s", it mast generate the following power:
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