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

question 18

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 and 1 m long,whereas the right rod is steel and 1 m long.Assuming that the far ends of both rods rest firmly against rigid wooden supports,at what temperature will the ends of the rods facing each other just touch?

• A)181ºC
• B)152ºC
• C)136ºC
• D)196ºC
• E)201ºC

---

Definitions:

Municipal Bond

A municipal bond is a debt security issued by a city, municipality, or county to finance its capital expenditures.

Corporate Bond

A debt security issued by a corporation to raise capital, promising to pay back the borrowed money plus interest at specified future dates.

Ask Price

The lowest price a seller is willing to accept for an asset in a financial market.

Bid Price

The price at which a buyer is willing to purchase a security or commodity.