An 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 to water?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
: Velocity of water is 
, mass flowing per unit length is 
Mass flowing per second 
Rate of kinetic energy or K.E. per second
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