Question
Asked Oct 30, 2019
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A rock falls from a tower that is 208 feet high. As it is falling, its height is given by the formula h=208-16t2. How many seconds (in tenths) will it take for the rock to hit the ground (h=0)?

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Expert Answer

Step 1
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h 208-16

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Step 2
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Substituting h 0, we get 0 208-162 16t = 208 >13 t=3.6055 t 3.61 seconds

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