Question

Five boxes each weigh 100N. A man lifts all the boxes together from the ground on to a shelf that is 2.5m above the ground. The man takes 2.0s to do this. How much is the useful power does the man uses to lift the boxes? *​

Answer 1

Answer:

625 watt

Explanation:

by using formula

P = mgh / t

P = 100 ( 5) (2.5) / 2

P = 625 watt