In the Figure,the Ends of the Two Rods Are Separated $\circ$

question 59

Multiple Choice

In the figure,the ends of the two rods are separated by 5 mm at 25 ^$\circ$ C.The left rod is brass,whereas the right rod is steel.Both rods have the same length and the far end of each rod rests firmly against a rigid wooden supports.If the ends of the rods facing each other just touch at 125 ^$\circ$ C,what is the length of each bar?

• A)0.92 m
• B)2.0 m
• C)1.34 m
• D)1.56 m
• E)1.84 m

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