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

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Definitions:

Equilibrium Level

The state in which market supply and demand balance each other, resulting in stable prices.

Total Costs

The sum of all expenses a firm incurs to produce and sell a product, including both fixed and variable costs.

Short Run

A time period in which at least one input (e.g., plant size, machinery) in the production process is fixed and cannot be changed.

Equilibrium Price

Equilibrium price is the price at which the quantity of goods supplied is equal to the quantity of goods demanded, achieving a state of market balance.