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September 22, 2014

September 22, 2014

Posted by **cammy** on Tuesday, July 30, 2013 at 10:23pm.

- physics -
**Elena**, Wednesday, July 31, 2013 at 7:08amΔL=L₁-L = L+ΔL -L = αLΔt

L= ΔL/ αΔt =0.195 m /12•10⁻⁶•50 =325 m

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