Question
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 ).?
Answers
Dr Russ
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
force = mass x acceleration
=(70+10)kg x 10 m s^-2
distance = 5 m
time = 2 x 60 s