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The pump raises water to 0.75 m3/min from 6.0m deep well and gives the water a speed of 10 m/s. How much power pump motor takes electricity if the engine's efficiency is 0.75?

A rectangular coil of sides 9.00 cm and 12.5 cm contains 130 loops and its plane is positioned perpendicular to a uniform 0.64-T magnetic field. It is quickly and uniformly pulled from the field to...

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