Question

A motor has a useful power output of 3000 watts .How much useful work does it do in 1 second

Answer 1

Answer:

Useful Work done = 3000 Joules

Explanation:

We know that

power is the useful work done in 1 second

i.e. 3000 watts = 3000 Joules per second

So, Useful work done in 1 second = 3000 Joules