A rod has a length 2.0000 m at 20.0°C. The length of the rod increases to 2.0005 m when the temperature increases to 40.0°C. What is the coefficient of thermal expansion of the material from which the rod is made?
A)
2.00 × 10-5/K
B)
2.50 × 10-5/K
C)
1.25 × 10-5/K
D)
5.00 × 10-3/K
E)
5.00 × 10-5/K
C
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