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Posted by **Jamie** on Wednesday, December 12, 2012 at 11:41am.

- Physics -
**Jennifer**, Thursday, December 13, 2012 at 12:15pmv = v0 - 1/2*g*t^2

where v is speed as a function of time, v0 is the inital speed, and g is the acceleration due to gravity

v = 24 - 4.9*t^2 = 0

Solve for t

When it returns to its starting point, the time will be 2*t, using t from the first question. Calculate v at this time (It should be 24 m/s)

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