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        A pump of power P is used to pump water in a certain pipe at a certain rate. To pump twice as much water through the same pipe in the same time,the power of the pump must be increased to ?
one year ago

Arun
18691 Points
							Dear Sanket Power of a pump = ½ * $\rho A v^3$ to get twicw amount of water from same pipe, v has to bw made twice. Hence new power should be 8 times  RegardsArun (askIITians forum expert)

one year ago
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