A car of mass 800kg attains a speed of 25m/s in 20 secs. The power developed in the engine is?

A. 1 . 25 x 10^4 W
B. 2 . 50 x 10^4 W
C. 1 . 25 x 10^6W
D. 2 . 50 x 10^6 W

Correct Answer:

Option B – 2 . 50 x 10^4 W