Question

a boy blowing if send out air in at one gram per second with a speed of 200 metre per second is longer power is in watt​

Answer 1

Answer: 22.5 kW

Explanation:

P=1/2 dm/dt v^2

=1/2 x 2 x 10^-3 x (150)^2

= 10^-3 x 22500

= 22.5 kW