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Physics, 05.09.2019 19:30 lolamegananne

An object of unknown mass is initially at rest and dropped from a height h. it reaches the ground with a velocity v sin θ / g 1. the same object is then raised again to the same height h but this time is thrown downward with velocity υ1 it now reaches the ground with a new velocity υ2. how is v2 related to v1?

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