Posted by Jenna on Saturday, May 18, 2013 at 6:51pm.
An arrow is fired horizontally from the top of a 40.0m vertical cliff and lands 125 m away. Therefore the arrow was fired at _____ m/s.

Physics  Elena, Sunday, May 19, 2013 at 4:03am
t=sqrt{2h/g}
v=L/t
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