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OpenStudy (anonymous):
Will Give A Medal A fire cracker 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 it take the firecracker to hit the ground? A. 5 seconds B. 7 seconds C. 9 seconds D. 11 seconds
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OpenStudy (anonymous):
It would take approximately 7 seconds for it to hit the ground
OpenStudy (anonymous):
Awesome thank you.
OpenStudy (anonymous):
No problem
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