Homework Help: Physics

Posted by Stephen on Monday, June 20, 2011 at 10:11am.

A 70 kg man carrying a 10 kg suit case climbing a ladder of 5 m in two minute, power developed by the man is (g=10 m/s2 ).?

Physics - Dr Russ, Monday, June 20, 2011 at 10:41am
Power = force x distance/time

force = mass x acceleration
=(70+10)kg x 10 m s^-2
distance = 5 m
time = 2 x 60 s

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