Question

(308 an electric motor is required to haul a cage
of
mass 400 kg up a mine shaft through a
vertical height of 1,200 m in 2 min. What will
be the electrical power required if the overall
efficiency is 80%?​

Answer 1

Answer:

(308 an electric motor is required to haul a cage

of

mass 400 kg up a mine shaft through a

vertical height of 1,200 m in 2 min. What will

be the electrical power required if the overall

efficiency is 80%?