Question

A man of mass 50kg ascends a flight of stairs 5m high in
5seconds. If acceleration due to gravity is 10ms -2, the power of
the man is?

Answer 1

P = work/time = mgh/t = 50*10*5/5 = 500W

Answer 2

Good

Answer 3

Aman of mass 50kg ascends a flight of stairs 5m

Answer 4

I don't understand

Answer 5

I don't understand

Answer 6

I don't understand

Answer 7

Need

Answer 8

P=work/time=mgh