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An engine pumps water continuously throu...

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.

A

`(1)/(2)m^(2)v^(2)`

B

`(1)/(2)mv^(3)`

C

`mv^(3)`

D

`(1)/(2)mv^(2)`

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The correct Answer is:
B
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