Question

A porter does 9000 J of work while lifting the luggage to a railway coach. If he takes 3 minutes in all to do the job, what is his power?

Answer 1

Answer:

Use the formula Power = Work done/ time

Explanation:

Before we start convert time in second to find power per second

1 minute = 60 seconds

3 minutes = 60*3 = 180 seconds

Power = W/T

P= 9000J/180s

Power = 50J/s