Question

A man does 200j of work in 10 second and0a boy does 100j of work in 4 second . Who is delivering more power ? Find the Ratio of power delivered bx the man to that by the boy

Answer 1

As we know that,

Power = Work done / Time

For man,

Power = 200/10 = 20 W

For boy,

Power = 100/4 = 25 W

Boy is delivering more power.

Ratio of power delivered by the man to that by the boy = 4:5