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Mathematics 19 Online
OpenStudy (anonymous):

A firecracker shoots up from a hill 150 feet high with an initial speed of 95 feet per second. Using the formula H(t) = -16t2 + vt + s, determine how long it will take the firecracker to hit the ground. 6.5 seconds 7.2 seconds 7.9 seconds 7.6 seconds

OpenStudy (anonymous):

s will be your 150 feet v will be 95 :) can you do the rest?

OpenStudy (anonymous):

I think so

OpenStudy (anonymous):

-16t2 + 95t + 150=0 solve for t :D

OpenStudy (anonymous):

I got 7.2

OpenStudy (anonymous):

YESSSSSS 7.23.... :D

OpenStudy (anonymous):

YAY!! ^.^ thanks

OpenStudy (anonymous):

:D

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