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A man in a boat A pulls a rope with a force 100N. The other end of the rope is tied to a boat B of mass 200 kg. The total mass of boat A and man is 300 kg, disregard the weight of the rope and resistance of the water. The power developed by the man by the end of the third second is |
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(a) |
100 W |
(b) |
200 W |
(c) |
150 W |
(d) |
250 W |
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A man in a boat A pulls a rope with a force 100N. The other end of the rope is tied to a boat B of mass 200 kg. The total mass of boat A and man is 300 kg, disregard the weight of the rope and resistance of the water. The power developed by the man by the end of the third second is |
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|
(a) |
100 W |
(b) |
200 W |
(c) |
150 W |
(d) |
250 W |