February 23, 2017

Homework Help: physics

Posted by bk on Wednesday, October 6, 2010 at 11:37pm.

A 1.50 multiplied by 103 kg car starts from rest and accelerates uniformly to 19.9 m/s in 11.6 s. Assume that air resistance remains constant at 400 N during this time.
(a) Find the average power developed by the engine.
1 W

(b) Find the instantaneous power output of the engine at t = 11.6 s, just before the car stops accelerating

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