Question

A boy does 20J of work in 4s. Find his Power.​

Answer 1

Power = work divided by time. So, to get the answer you’re looking for, you have to do 20J divided by 4 seconds, which will get you 5 horsepower.

Answer 2

5 watts

Explanation:

power (measured in watts) is joules per second, or J/s

J = 20

s = 4

J/s = 5