A 1.50 x 10^3 kg car accelerates uniformly from rest to 10 m/s in 3 seconds.?

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A 1.50 x 10^3 kg car accelerates uniformly from rest to 10 m/s in 3 seconds.?

What is the work done on the car in this time interval?
AND
What is the power delivered by the engine in this time interval?
Can You also show me HOW you got the answer??
Thanks in advance!!!

2007-12-17 12:13:04 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Physics

1 answers

The gain in KE is the energy
.5*1500*10^2=work
75000 J

Power is energy per unit time
75000/3
25000 watts

33.5 hp

j

2007-12-18 05:44:37 · answer #1 · answered by odu83 7 · 0⤊ 0⤋