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April 19, 2014

Homework Help: Physics

Posted by Steve on Friday, March 25, 2011 at 10:47pm.

How do i get the answer
A steel ball of diameter Lb = 4.196 cm is placed on a hole of diameter Lh = 4.042 cm on an aluminium plate. The initial temperature is 14 XC. What would be the minimum temperature so that the ball will fit through the hole if both are heated? The linear expansion coefficients for steel and aluminium are \steel = 1.100 10V5 KV1 and \alu = 2.200 10V5 KV1, respectively. ans 3610 degrees celcius

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