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A rock is thrown upwards at 13.5 m/s. How long does it take to fall back to the ground?
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A rock is thrown upwards at 13.5 m/s. How long does it take to fall back to the ground?

User Damon Bauer
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It will take 27 m/s, you multiply 13.5 because it takes twice as long
User Shaon Shaonty
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