A 40 kg hiker starts at an elevation of 1500 m and climbs to the top of a 4000 m peak.?

J

jimmy

New member
(a) What is the hiker's change in potential energy?
(b) What is the minimum work required of the hiker?
(c) Can the actual work done be more than this? Explain why.
I really only need the answer to part C. the explain part
 
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