The Coefficient of Linear Expansion of Copper Is 17 ×

question 20

Multiple Choice

The coefficient of linear expansion of copper is 17 × 10^-6 K^-1.A sheet of copper has a round hole with a radius of 3.0 m cut out of it.If the sheet is heated and undergoes a change in temperature of 80 K,what is the change in the radius of the hole?

• A)It decreases by 4.1 mm.
• B)It increases by 4.1 mm.
• C)It decreases by 8.2 mm.
• D)It increases by 8.2 mm.
• E)It does not change.

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Definitions:

Unit of Input

The smallest measure of an input (like labour, materials) used in the production of goods or services.

Complementary Resources

Assets or inputs that are used together with another resource to produce a good or service, enhancing each other's value in the process.

Employment

The condition of having paid work, involving an agreement where someone is paid to perform specific duties.

Output Effect

The change in output quantity that results from a variation in price, affecting producers' supply levels and market equilibrium.