Physics, 26.11.2019 18:31 Theresab2021
Old-fashioned pendulum clocks are powered by masses that need to be wound back to the top of the clock about once a week to counteract energy lost due to friction and to the chimes. one particular clock has three masses: 4.0 kg, 4.0 kg, and 6.0 kg. they can drop 1.3 meters. how much energy does the clock use in a week?
Answers: 2
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Old-fashioned pendulum clocks are powered by masses that need to be wound back to the top of the clo...
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