Physics, 15.09.2021 01:30 muffinman97

With what initial velocity must you throw a ball from a second-story window (h=4.0 m) in order for it to reach the ground in half the time it would have taken if it had been dropped and not thrown? -6.6m/s (this is the answer, how do i get it tho?)

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With what initial velocity must you throw a ball from a second-story window (h=4.0 m) in order for i...