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27 June, 04:06

A firecracker shoots up from a hill 150 feet high, with an initial speed of 110 feet per second. Using the formula H (t) = - 16t2 + vt + s, approximately how long will it take the firecracker to hit the ground?

Eight seconds

Nine seconds

10 seconds

11 seconds

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  1. 27 June, 05:09
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    The correct answer for the question that is being presented above is this one: "Nine seconds." A firecracker shoots up from a hill 150 feet high, with an initial speed of 110 feet per second. Using the formula H (t) = - 16t2 + vt + s, approximately the firecracker will hit the ground in Nine seconds
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