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OpenStudy (anonymous):
A stone is thrown upward from ground level. With what minimum speed should the stone be thrown so as to reach a height of 100 feet?
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OpenStudy (anonymous):
it's going to decelerate at 32.174 ft/s^2 because of gravity. so that gets us started.. hmm I have to think some more
OpenStudy (gudden):
@kesthay ... use third equation of motion..:D and keep V i.e final speed = 0...
OpenStudy (anonymous):
Vf^2 = 2ad + Vi^2 0^2 = 2(-32)d + Vi^2 solve for Vi
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