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A car has a mass of 2500 kg and accelerates from rest to a speed of 10,0 m/s in 5,0 s. The average power of the engine during this acceleration is...?
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A car has a mass of 2500 kg and accelerates from rest to a speed of 10,0 m/s in 5,0 s. The average

power of the engine during this acceleration is...?

User Alexkrishnan
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1 Answer

9 votes
9 votes

P = W/t

W = ΔPE = ΔKE


\tt P=(\Delta KE)/(t)\rightarrow v_1=0,KE_1=0\\\\P=(KE_2-KE_1)/(t)\\\\P=((1)/(2)* 2500* 10^2-0 )/(5)=2.5* 10^4~watt

User Jhoanna
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