Question

a body of mass 100 kg is lifted up by 10m in 20s . cal culate the power needed yo raise the body at that heigjt.(g=10 m/s2)

Answer 1

Hi...
Power=mgh/t
=100×10×10÷20
=500W
500W is the power needed to raise the body at that height..

hope this helps!

Answer 2

power is equal to v t and its answer is watt 500