A man carries a load of `50 kg` through a height of `40 m` in `25` seconds. If the power of the man is `1568 W`, his mass is
A. 5 kg
B. 1000 kg
C. 200 kg
D. 50 kg
A. 5 kg
B. 1000 kg
C. 200 kg
D. 50 kg
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Correct Answer – D
`P =(W)/(t) = ((m+M)gh)/(t)`.