A 66.5 kg hiker starts at an elevation 1270 m and climbs to the top of the peak 2660 m.
(a) What is the hiker’s change in the potential energy?
(b) What is the minimum work required by the hiker?
(c) Can the actual work done be greater than this? Explain.
Product description video:https://youtu.be/u8-NNX1ngmA