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July 25, 2014

July 25, 2014

Posted by **K.** on Tuesday, December 17, 2013 at 3:25pm.

- Physical science -
**Elena**, Tuesday, December 17, 2013 at 4:43pmWhen the balls are moving in opposite directions

v₁= {-2m₂v₂₀ +(m₁-m₂)v₁₀}/(m₁+m₂)

v₂={ 2m₁v₁₀ - (m₂-m₁)v₂₀}/(m₁+m₂)

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