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October 22, 2014

October 22, 2014

Posted by **Anonymous** on Sunday, January 23, 2011 at 12:29pm.

- physics -
**Henry**, Sunday, January 23, 2011 at 5:33pmAt the max. height, Vf = o.

Vf^2 = Vi^2 + 2gah = o,

(18)^2 + 2*(-9.8)h = 0,

324 - 19.6h = 0,

-19.6h = -324,

h = -324 / -19.6 = 16.5m = Range.

Your ans. is twice mine; check your math for error.

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