SOLUTION: A firecracker shoots up from a hill 140 feet high with an initial speed of 100 feet per second. Using the
formula {{{ H(t) = -16t^2 + vt + s }}}, approximately how long will
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Question 611153: A firecracker shoots up from a hill 140 feet high with an initial speed of 100 feet per second. Using the
formula , approximately how long will it take the firecracker to hit the ground?
Multiple choice : a) 5 seconds, b) 7seconds, c) 9 seconds, d) 11 seconds.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A firecracker shoots up from a hill 140 feet high with an initial speed of 100 feet per second. Using the
formula , approximately how long will it take the firecracker to hit the ground?
--------------
At impact, h(t) = 0
Solve for t. Ignore the negative solution.
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