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प्रश्न
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 of the jet. What is the rate at which kinetic energy is imparted to water?.
पर्याय
`1/2mv^3`
mv3
`3/2mv^2`
`5/2mv^2`
उत्तर
`underline(1/2mv^3)`
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