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

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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__A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately__

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A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately