A steel bar is 2000mm long at 20 degrees celcius. a=11 x 10^-6 c^-1. a) what is the length of the bar in mm, when it is heated to 700.0 Farenheit.

/in /by

A steel bar is 2000mm long at 20 degrees celcius. a=11 x 10^-6 c^-1.

a) what is the length of the bar in mm, when it is heated to 700.0 Farenheit.

b) at what temperature the length of the bar will be 1200mm?

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