Physics, 26.09.2021 02:00 nastja

A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of7.5 s. What is its initial velocity? Neglect air resistance.

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A ball is thrown vertically upward, which is the positive direction. A little later it returns to it...

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