Question

(a) Define power. Give the SI unit of power.
(b) A boy weighing 40 kg carries a box weighing 20 kg to the top of a building 15 m high in 25 seconds. Calculate the power. (g = 10 m/s2)

Answer 1

Answer:

here is ur answer

Explanation:

(a) Power is defined as the rate of doing work It's SI unit is watt.

Answer 2

Explanation:

the si unit is watt

hope it helps you