On a fairly cool rainy day when the temperature is 20oC, the length of a...
PHYSICS
JAMB 2003
On a fairly cool rainy day when the temperature is 20oC, the length of a steel railroad track is 20m. What will be its length on a hot a dry day when the temperature is 40oC? [coefficient of linear expansion of steel = 11 x 10-6K-1]
- A. 20.013m
- B. 20.009m
- C. 20.004m
- D. 20.002m
Correct Answer: C. 20.004m
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