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You are on vacation in San Francisco and decide to take a cable car to see...

You are on vacation in San Francisco and decide to take a cable car to see the city. A 4600-kg cable car goes 260 m up a hill inclined 11 ∘ above the horizontal. The system is the car and Earth. Determine the change in the total energy of the system when the car moves from the bottom to the top. Ignore friction.

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Answer #1

The system is Earth and car

Masses are

Mass of earth

Mass of car

Distance between them increased by

Radius of earth

Increase in energy of car earth system

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