Posted by scott on Thursday, November 22, 2012 at 8:40pm.
.5 (7.6 * 10^4) v^2 = 1.2 * 10^9
v^2 = .3158 * 10^5
or
v^2 = 3.158 * 10^4
v = 1.78 * 10^2
or
v = 178 m/s
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