Question: A rock falls from a tower that is 117.6m high. As it is falling, its height is given by the formula h=117.6-4.9t^(2), with t in

A rock falls from a tower that is 117.6m high. As it is falling, its height is given by the formula h=117.6-4.9t^(2), with t in seconds. How many seconds will it take for the rock to hit the ground (h)=(0) ?

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