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January 30, 2015

January 30, 2015

Posted by **Dydy** on Monday, January 9, 2012 at 8:14pm.

- calculus -
**Reiny**, Monday, January 9, 2012 at 8:19pmHeight = -4.9t^2 + 120t

d(height)/dt = -9.8t +120

when t=5

velocity = -9.8(25)+120 = -120 m/s

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