Physics, 12.12.2020 17:10 alexkoval1231

A girl throws a ball vertically upwards. It takes a time of 3.20 s to return to her hand. Assume air resistance is negligible.
What is the initial speed with which the ball is thrown?

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A girl throws a ball vertically upwards. It takes a time of 3.20 s to return to her hand. Assume ai...