Question

engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass

per unit length of the water jet. What is the rate at which kinetic energy is imparted water?

[AIPMT (Prelims)-2009]​

Answer 1

Answer:

1/2t × mv^2

Explanation:

since work is equal to change in ke and power is equal to work/ time so ke/t