Find the gravitational potential energy
Find the gravitational potential energy of an 66.5-kg person standing atop Mt. Everest, at an altitude of 8848 m. Use sea level as the location for y = 0.
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A 0.39-kg pendulum bob is attached to a string 1.2 m long. What is the change in the gravitational potential energy of the system as the bob swings from point A to point B in the figure, where θ = 33°?
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