Question
A man of mass 50kg ascend a fight of stairs 5m high in 55 seconds.if acceleration due to gravity is 10ms the power expand is what
Answers
oobleck
work = force * distance
power = work/time = (50*10 N)/(55s) = 50/55 W
power = work/time = (50*10 N)/(55s) = 50/55 W