Posted by mary on Saturday, January 7, 2012 at 3:16pm.
.5 (8 * 10^4) v^2 = 1.1 * 10^9 JOULES
4 v^2 = 1.1 * 10^5
v^2 = .275 * 10^5
v^2 = 2.75 * 10^4
v = 1.66 * 10^2 = 166 meters/second
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