Question

Ifa body of mass 300kg is moved by an elevator
from a mine of depth 20m to a height of 20 m in 1
min, the power of the elevator is:
1) 19.6 kw 2) 0.98 w 3) 9.8 kw 4)
1.95 kw
​answer: w=mgh
=300*40*9.8
=117600
power=work/time
=117600/60
=1960
=1.95kw
option 4 is the answer

Answer 1

Answer:

be a good day at least you have more than I thought it would take to now hug you