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If an object is thrown down with force from the top of a building, at a speed of 20.0 m/s, and it hits the ground with a speed of 40.0 m/s.
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If an object is thrown down with force from the top of a building, at a speed of 20.0 m/s, and it hits the ground with

a speed of 40.0 m/s.

User Corristo
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what is the question lol
User Yellowsir
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