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OpenStudy (anonymous):
A ball is dropped from a treetop 64 feet above the ground. How long does it take to hit the ground? (s = 16t 2) 1 second 2 seconds 3 seconds
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OpenStudy (dream95):
from the equation you get
OpenStudy (dream95):
64=16t2
OpenStudy (sburchette):
Difference of two squares perhaps?
OpenStudy (dream95):
solve it and you will get t=2
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