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hifzur
Answers (1)
Power lost= torque * angular velocity = force* radius* angular velocity = shear stress * area* radius* angular velocity Shear Stress = viscosity* velocity gradient Power lost= 0.0005*0.8*1000* 2*3.142*190/60*0.2*3.142*0.23 * 190/60 = 477.65 Watts.
