Asked by Jessica
A silver bar 0.125 meter long is subjected to a temperature change from 200 C to 100 C. What will be the length of the bar after the temp change?
A:0.124764 meter
B:0.00023635 meter
C: 0.00002363 meter
D:0.0000189 meter
A:0.124764 meter
B:0.00023635 meter
C: 0.00002363 meter
D:0.0000189 meter
Answers
Answered by
bobpursley
deltal=L*alpha*deltaTemp
Now you know it will be small. Subtract it from .125.
So only one answer is possible of the choices. You don't need to do any calculations.
Now you know it will be small. Subtract it from .125.
So only one answer is possible of the choices. You don't need to do any calculations.
Answered by
Samuel
A:0.124764 meter
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