A man carrying a bag of total mass 25kg climbs up to a height of 10m in 50s calculate power
Answers
Answered by
3
I'll calculate power from the difference in potential energy.
Potential energy= mass x height difference x earth gravity = m* Δh*g
mass=25kg
height Δ= 10m
time =50s
potential energy is thus 25kg*10m*9.807 m/s2 = 2451.75 J
Power is work/energy divided by time
so P=2451.75 J/50s =49W
Similar questions