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September 20, 2014

September 20, 2014

Posted by **Becky** on Sunday, February 3, 2013 at 12:28pm.

- Pre-Calculus -
**Steve**, Sunday, February 3, 2013 at 2:24pmd = kv^2

169 = k*70^2

k = 169/4900

so, d = 169/4900 v^2

plug in v=35 and 140

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