Physics, 26.05.2021 19:30 amaya171

Nancy weighed her empty backpack with a spring scale. She found that he pack weighed 8.1 N. suppose she picks up her backpack from a desktop and lifts it through a height of 42 fm. How much gravitational potential energy dose the backpack gain

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Nancy weighed her empty backpack with a spring scale. She found that he pack weighed 8.1 N. suppose...

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