A car manufacturer claims that their car can accelerate from rest to 87 km/hr in 6.3 s. The car's mass is 940 kg. Assuming that this performance is achieved at constant power, determine the power developed by the car's engine.(adsbygoogle = window.adsbygoogle || []).push({});

Ok, I solved the problem by first solving for constant acceleration. a=[v(f)-v(0)]/t

Then using that I found the Force, using F=ma. Then plugging into P=F(dot)v

The answer that i got, 87143.056W is wrong. I think it could be because the problem says it is constant power, not constant acceleration.

How can I go about solving this problem? I dont really understand the concept of constant power instead of constant acceleration

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# Homework Help: Constant Power

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