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Explanation:
On a summer day the temperature is, t = 35°C
The length of the slab on a summer day with temperature 35°C be Li
For the concrete, the coefficient of linear expansion is a = 1 x
10 5°C-1
L = Lo(1+at)
Where
Lo is the length of the slab at 0°C
a is the small constant over the given temperature interval.
On substituting the given values, we get
Li = 10(1+ 106 x 35)
Li = 10 +35 x 10
Li = 10 +0.0035
L = 10.0035m
The length of the slab on a summer day when the temperature is 35°C
is 10.0035m
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