A metal rod 40.0000-cm long at 55.0 °C is heated to 85.0 °C. The length of the rod is then measured to be 40.0264 cm. What is the coefficient of linear expansion of the metal?
A) 13 × 10-6/C°
B) 22 × 10-6/C°
C) 44 × 10-6/C°
D) 53 × 10-6/C°
E) 71 × 10-6/C°
Correct Answer:
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