Q111. An electric motor is required to haul a cage of mass 400 kg up a mine shaft through a vertical height of 1200 m in 2 minutes. What will be the electrical power required if the overall efficiency is 80%? (g = 10ms-2)Physics — Work, Power and Energy — Question 111 of 238A. 3.2 kWB. 32 kWC. 5 kWD. 50 kWPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →