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September 21, 2014

September 21, 2014

Posted by **RD** on Tuesday, March 1, 2011 at 12:54pm.

- Physics -
**bobpursley**, Tuesday, March 1, 2011 at 1:39pmyou can only use conservation of momentum on the collision

Momentumbullet=momentumbullet/pendulum

.0032*Vi=3.6032*Vf

Now you can consider energy after the collision

1/2 (3.6032)Vf^2=(3.6032)*9.8*.13

in the second equation, solve for Vf, then put it in the first equation, and solve for Vi.

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