Question

.
How much time will be required to perform 520 J of work at the rate of 20 W?​

Answer 1

Explanation:

1 watt =1 joule per sec

thus 20 watt =20 joule per sec

it works at rate of 20 joule per sec

thus time=520/20 sec

=26 sec

Answer 2

Answer:

26s

Explanation:

Power = Work/Time

Time = Work/Power

Given, Work = 520 J

           Power = 20 W

So, Time = 520/20

               = 26s.

Please mark my answer as the brainliest...