Physics, 21.04.2020 21:03, mbonilla073

An object of unknown mass is initially at rest and dropped from a height h. It reaches the ground with a velocity v1 v 1 . The same object is then raised again to the same height h but this time is thrown downward with velocity v1 v 1 . It now reaches the ground with a new velocity v2 v 2 . How is v2 v 2 related to v1 v 1 ?

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An object of unknown mass is initially at rest and dropped from a height h. It reaches the ground wi...