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Physics, 27.01.2020 20:31 EmilySerna
Your backpack has a mass of 8 kg. you lift it from the ground to a height of 0.7 m. how much work is done by gravity as you lift the backpack?
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Your backpack has a mass of 8 kg. you lift it from the ground to a height of 0.7 m. how much work is...
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