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A boy weighing 20 kg moves up a ladder 3...

A boy weighing 20 kg moves up a ladder 30 meter high in 5 seconds find the power of boy.[g=10m/s^2]

A

1.2 kilowatt

B

12 kilowatt

C

30 kilowatt

D

300 watt

Text Solution

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The correct Answer is:
C
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