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Physics, 27.02.2021 05:00 kaylaelaine18

CHALLENGE: I pushed a weighted ball with a mass of 12 kg onto the top shelf. It took me 75.8 J of kinetic energy to accomplish that amazing feat of strength. Now, the weighted ball is sitting on the top shelf. How high
up is the top shelf?

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CHALLENGE: I pushed a weighted ball with a mass of 12 kg onto the top shelf. It took me 75.8 J of ki...

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