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