Questions
An engine pumps water continuously through a hose Water leaves the hose with a velocity 'v' and 'm' mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water
detailed solution
Correct option is B
Length of water jet leaving the hose in unit time = vMan of water leaving the hose in unit time = mv.Kinetic energy leaving the hose per unit time12mvv2Talk to our academic expert!
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