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Answer to Question #55092 in Mechanics | Relativity for Zineb

Question #55092
A ball thrown down from a balcony lands in 0.7 s on the ground at a speed of 23 m/s. Find:

a) the initial speed;

b) the height from which it was thrown;

c) the time to land if it were thrown up from the balcony with the same initial speed.
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