A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average – McqOptions

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1.	A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately
A.	400 watts
B.	500 watts
C.	4000 watts
D.	None of these
Answer» B. 500 watts

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