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# A ball is thrown from a height of 79 meters with an initial downward velocity of 6 m/s. The ball's height h (in meters) after t seconds is given by the following. h=79-6t-5t² How long after the ball

A ball is thrown from a height of 79 meters with an initial downward velocity of 6 m/s. The ball's height h (in meters) after t seconds is given by the following.

h=79-6t-5t²

How long after the ball is thrown does it hit the ground?