Question

(a) State and define SI unit of power.; (b) A person carrying 10 bricks each of mass 2.5 kg on his head moves to a height 20 m in the 50s. Calculate power spent in carrying bricks by the person (g = 10 m/s2)

Answer 1

Answer:

hey

Power is work done per unit time.

SI unit watt

P= F*V

P= 10*2.5*10/50

P= 50watt