Question 588983
A rock falls from a tower that is 132.3 m high. As it is falling, its height is given by the formula
h = 132.3 - 4.9t2. How many seconds will it take for the rock to hit the ground (h = 0)?
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h = 132.3 - 4.9t2
h = 0
132.3 - 4.9t2 = 0
solve for t