Wednesday
September 17, 2014

Homework Help: Physics

Posted by Andrea on Wednesday, October 17, 2007 at 5:53pm.

A 1000kg car accelerates from 0 to 25m/s in 8s. What is the average power delivered by the engine? (1hp=746W)

P=W/t
p=Fd/t
P=Fv
p=mav
=1000(25/8)(25)
=78125W which is about 104.725 hp

Is this correct?

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