Solve the equation. Round to the nearest tenth, if necessary.A rock falls from a tower that is 416 feet high. As it is falling, its height is given by the formula h = 416 - 16t2. How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth of a second.

A. 20.4 sec
B. 5.1 sec
C. 10,816 sec
D. 20 sec


Answer: B

Mathematics

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