SOLUTION: The distance an object falls is directly proportional to the square of the time it has been falling. After 6 seconds it has fallen 1296 feet. How long will it to fall 2304 feet?

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Question 170504: The distance an object falls is directly proportional to the square of the time it has been falling. After 6 seconds it has fallen 1296 feet. How long will it to fall 2304 feet?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
so we have d%2Ft%5E2 1296%2F6%5E2=2304%2Ft%5E2 cross multiply
:
82944=1296x%5E2--->t%5E2=64 take square root of each side
:
highlight%28t=8%29seconds