A pump is used to pump a liquid of density math xmlns=http://www.w3.org/1998/Math/MathMLmi mathv...

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A pump is used to pump a liquid of density math xmlns=http://www.w3.org/1998/Math/MathMLmi mathvariant=normalρ/mi/math continuously through a pipe of cross section area math xmlns=http://www.w3.org/1998/Math/MathMLmi mathvariant=normalA/mi/math. If liquid is flowing with speed math xmlns=http://www.w3.org/1998/Math/MathMLmi mathvariant=normalV/mi/math, then power of pump is
 
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