# physics

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A 1.00 x 10^3 kg sports car accelerates from rest to 25.0 m/s in 7.50 s. What is the average power output of the automobile engine?

• physics -

Final kinetic energy divided by 7.50 s.

(1/2)*1000*25^2/7.5 = 4.17*10^4 watts
= 55.9 horsepower

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