A body of mass 2 kg starts from rest and moves with uniform acceleration. It acquires a velocity of 20 m/s in 4 seconds. The power exerted on the body in 2 seconds is |
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(a) |
50 W |
(b) |
100 W |
(c) |
150 W |
(d) |
200 W |
A body of mass 2 kg starts from rest and moves with uniform acceleration. It acquires a velocity of 20 m/s in 4 seconds. The power exerted on the body in 2 seconds is |
|||||||
(a) |
50 W |
(b) |
100 W |
(c) |
150 W |
(d) |
200 W |