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April 24, 2014

Homework Help: physics

Posted by sand on Thursday, February 23, 2012 at 11:30pm.

A 90 cm length of steel wire with a diameter of 0.5 mm is stretched between the inside walls of an oven the wire is just taut with no tension when the temperature in the oven is 250 C. What is the the tension force in the wire when the oven cools to a temperature of 150 C? The distance between the oven walls does not change as the oven cools.

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