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4. As seen in the figure, what is the temperature so that the two rods will meet? Given the condition that at 28 C the gap between the rods is 1.3 x 10'3m. (Use 3 decimal placesfor the final answer} {5 (3" 1m 0.5m Brass Aluminum Table 12.1 Coefficients of Thermal Expansion for Solids and Liquids Coefficient of Thermal Expansion (Co)-1 Substance Linear (ex) Volume (B) Solids Aluminum 23 X 10-6 69 X 10-6 Brass 19 x 10-6 57 X 10-6 Concrete 12 X 10 6 36 X 10-6 Copper 17 X 10-6 51 X 10-6 Glass (common) 8.5 X 10 6 26 X 10 6 Glass (Pyrex) 3.3 x 10-6 9.9 X 10-6 Gold 14 X 10-6 42 X 10-6 Iron or steel 12 X 10 6 36 X 10-6 Lead 29 X 10-6 87 X 10-6 Nickel 13 X 10-6 39 X 10-6 Quartz (fused) 0.50 X 10-6 1.5 X 10-6 Silver B =30 19 X 10-6 57 X 10-6 Liquidsh Benzene 1240 X 10-6 Carbon tetrachloride 1240 X 10-6 Ethyl alcohol 1120 X 10-6 Gasoline IIIIII 950 X 10-6 Mercury 182 X 10-6 Methyl alcohol 1200 X 10-6 Water 207 X 10-6 The values for a and & pertain to a temperature near 20 "C. "Since liquids do not have fixed shapes, the coefficient of linear expansion is not defined for them