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speedy46
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Homework Statement
A 40mm diameter bar of aluminium is 2.5m long the bar is has its temperature raised from 20°c to 40°c. Determine the increase in length of the bar in mm. Take the Al = 24 × 10-6 °C-1
How much heat has been transferred into the bar if the SCH = 0.9kj/kg °C
Homework Equations
The Attempt at a Solution
Am stuck on where to start could anyone help please