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Physics, 25.11.2019 22:31 Karamatullah

7. an elevator descends at a constant velocity. which of the following is true? a. the total energy of the elevator is conserved because energy is always conserved. b. the total energy of the elevator is not conserved because a non-conservative force does work on the elevator. c. the total energy of the elevator is conserved because no net external force acts on the elevator. d. the total energy of the elevator is not conserved because a net external force acts on the elevator.

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7. an elevator descends at a constant velocity. which of the following is true? a. the total energy...

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