James uses a rope to lift supplies weighing 400 N to his

Last updated: 7/4/2022

James uses a rope to lift supplies weighing 400 N to his tree-house. It takes 5 seconds to lift them to a height of 2 meters. Calculate how much work he did. A. 50 J B. 200 J C. 5 J D. 800 J E. 400 J