Question: A ball is thrown vertically upward from a window that is 3.6 m above the ground. Its initial speed is 2.8 m/s. (a) With what

A ball is thrown vertically upward from a window
A ball is thrown vertically upward from a window that is 3.6 m above the ground. Its initial speed is 2.8 m/s. (a) With what speed does the ball hit the ground? (b) How long after the first ball is thrown should a second ball be simply dropped from the same window so that both balls hit the ground at the same time

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