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A rock is thrown vertically with a speed of 12.0 m/s from the roof of a building that is 60.0 m above the ground. What is the speed of the rock just before it strikes the ground? Assume free fall.
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A rock is thrown vertically with a speed of 12.0 m/s from the roof of a building that is 60.0 m above the ground. What is the speed of the rock just before it strikes the ground? Assume free fall.

User Icke
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36.33 m/s going downward.

User Wrxsti
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