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August 30, 2015

Homework Help: Check Math

Posted by Anonymous on Thursday, May 22, 2008 at 1:00am.

Old Isaac took a little nosedive from his perch on Mrs. Cohenís window ledge 25 feet above ground. Given that he fell as a result of a gentle tap to his noggin, how fast is Isaac traveling when he hitís the ground? (gravity is -32ft/sec^2).

25ft=Ĺ(32ft/sec^2)t^2
t=1.25sec

-32ft/sec=(vf - 0)/1.25s
Vf=-40ft/sec

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