Physics!!!

A 2300. kg car starts from rest and accelerates uniformly to 24.0 m/s in 24.0 s. Assume that air resistance remains constant at 510 N during this time. Find (a) the net force on the car
b) the average power developed by the engine?
c) the instantaneous power output of the engine at t = 24.0 s, just before the car stops accelerating.

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