|visits||member for||3 years, 1 month|
|seen||Dec 10 '14 at 11:28|
Needed Energy For Lifting 200 kg weight
I'm sorry I should be more spesific. Mass of the object is I think should be 20 kg, so weight can be calculated as 200 kg with 10 m/s g; and height over is 50 meters. Also there could be a speed variable for this cause.