# Physics

posted by Kathleen

A 1300 kg sports car accelerates from rest to 85 km/h in 6.2 s. What is the average power delivered by the engine?

1. loser

do your own homework

2. The Lord

Work done = Kinetic energy
Work done = 1/2(mv^2)
= 1/2(1300kg)(7225km/h)
= 1/2(93925000)
= 46962500J

Power = Work Done/Time
Power = 46962500/6.2
= 7,574,596.774 W

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