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April 20, 2014

April 20, 2014

Posted by **Vladimyr** on Tuesday, May 29, 2012 at 9:18pm.

- Physics -
**Elena**, Wednesday, May 30, 2012 at 7:36amm1 =2•m2,

KE1 =KE2/2.

m1•v1²/2 =m2•v2²/2 = m1•v2²/4.

v1=v2/2.

m1• (v1+8)²/2 = m2• (v2+8)²/2 =

=m1• (v2+8)²/4,

v1 =sqrt(32)= 5.66 m/s.

v2 =11.3 m/s

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