SOLUTION: You are flying in an open plane at an altitude of 2304 feet and you drop a Coca Cola bottle out of the window. The bottle will hit the ground after _?_ seconds.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: You are flying in an open plane at an altitude of 2304 feet and you drop a Coca Cola bottle out of the window. The bottle will hit the ground after _?_ seconds.      Log On


   

Question 17325: You are flying in an open plane at an altitude of 2304 feet and you drop a Coca Cola bottle out of the window. The bottle will hit the ground after _?_ seconds.
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
The formula for this is y+=+-16t%5E2+%2B+2304+ for t>=0.

When it hits the ground, y=0.
0+=+-16t%5E2+%2B+2304+
16t%5E2+=+2304+
t%5E2+=+2304%2F16+=+144, for t>=0
+t=12 seconds.

Also, see graph below:
graph+%28300%2C300%2C+-3%2C+15%2C+-100%2C+2500%2C+-16x%5E2%2B+2304%29+

R^2 at SCC