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April 24, 2014

Homework Help: physics

Posted by Haley on Thursday, May 10, 2012 at 8:44pm.

An archer puts a 0.26-kg arrow to the bow-string. An average force of 200 N is exerted to draw the string back 1.4 m.
(a) Assuming no frictional loss, with what speed does the arrow leave the bow?
m/s
(b) If the arrow is shot straight up, how high does it rise?
m
I got 47 for A
and 113 for B, but neither work?

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