A woman does 250 J of work in 10 seconds and a boy does 100 J of work in 4 seconds. Who delivers more power ?

A women does 250 J of work in 10 seconds and a boy does 100 J of work in 4 seconds. Who delivers more power ?

A women does 250 J of work in 10 seconds and a boy does 100 J of work in 4 seconds. Who delivers more power ?

A man does 200 J of work in 10s and a boy does 100 J of work in 4s. (a) who is delivering more power? (b) Find the ratio of the power delivered by the man to that delivered by the boy.

A machine does 392 J of work in 4 seconds. What is the power of the machine?

A body does 20 joules of work in 20 joules of work in 5 seconds. What is its power ?