Question

A body of mass 50 kg can run upto a staircase in 10 s. If the total distance travelled is 200 cm, what is the power of the boy? *

Answer 1

Answer:

1000 w

Explanation:

as we know , power= force x displacement / time. so ,

=> 50 x 200 / 10

=> 50 x 20

=> 1000

as 1 joule = 1 watt

so 1000 j = 1000 watt