A machine of efficiency 8% is used to raise a body of mass 75kg through a vertical height of 3m in 30s. Calculate the power input. (g = 10ms‾²) By: Sunday|Published on: May 23|Categories: Physics WAEC| 0 comments A. 9.4W B. 60.0W C. 75.0W D. 93.8W Correct Answer: Option D D. 93.8W Users Also Read These:A body of mass 4.2kg moving with velocity 10ms−¹ due…A body of mass 2kg is released from rest on a plane…A screw jack with a Tommy bar of length 12cm is used…A body of mass 1000kg is released from a height of…The efficiency of a wheel and axle is 100% and the…SEE ALSO Which of the following statements about the motion of a simple pendulum is true?