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Q.

A weightlifter lifts 300 kg from the ground to a height of 2 meter in 3 second. The average power generated by him is ______.

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a

2205 watts

b

4410 watts

c

5880 watts

d

1960 watts

answer is D.

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Detailed Solution

$P = \frac{Workdone}{Time} P = \frac{mgh}{t} P = \frac{300 \times 9.8 \times 2}{3} P = 1960 W$

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