The lowest point in Death Valley is 85 m below sea level. The summit of nearby M

Question

The lowest point in Death Valley is 85 m below sea level. The summit of nearby Mt. Whitney has an elevation of 4420 m.What is the change in potential energy of an energetic 65 kg hiker who makes it from the floor of Death Valley to the top of Mt.Whitney? The lowest point in Death Valley is 85 m below sea level. The summit of nearby Mt. Whitney has an elevation of 4420 m.What is the change in potential energy of an energetic 65 kg hiker who makes it from the floor of Death Valley to the top of Mt.Whitney?

Explanation / Answer

Change in potential energy = mg(h1 + h2) = 65 X 9.8 X (4420 + 85) = 2869685 J

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