A 55-kg hiker starts at an elevation of 1600m and climbs to the top of a 3300-m
Question:
(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.
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a The change in PE is given by APE mg y y 55 kg980 ms3300 m1600 m 9210J b The minimum work req...View the full answer
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