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An engine pumps water continuously thriugh 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 to water ?
a) mv^3 b)1/2mv^2
c)1/2m^2 v^2 d)1/2mv^3
The correct ans is (d)...can anyone explain this.🙏