A 1.50 x 103-kg car starts from rest and accelerates uniformly to 17.8 m/s in 12.8 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. hp (b) Find the instantaneous power output of the engine att = 12.8 s, just before the car stops accelerating. hp

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A 1.50 x 103-kg car starts from rest and accelerates uniformly to 17.8 m/s in 12.8 s. Assume that air resistance remains constant at 400 N during this time.
(a) Find the average power developed by the engine.
hp
(b) Find the instantaneous power output of the engine att = 12.8 s, just before the car stops accelerating.
hp
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Transcribed Image Text:A 1.50 x 103-kg car starts from rest and accelerates uniformly to 17.8 m/s in 12.8 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. hp (b) Find the instantaneous power output of the engine att = 12.8 s, just before the car stops accelerating. hp Submit Answer
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