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.

Detail the phenomenon of ethnic enclaves and assess their significance.

Elucidate the concept, causes, and effects of discrimination.

Understand the concept of race and ethnicity as societal labels and their implications.

Analyze the evolving significance of race in the United States and diverse viewpoints surrounding it.

---

Definitions:

Interneuron

A type of neuron that serves as a relay or link between sensory and motor neurons within the central nervous system.

Central Nervous System

The part of the nervous system that includes the brain and spinal cord, responsible for processing and sending out neural signals.

Effectors

Organs, glands, or cells that act in response to a stimulus, executing the appropriate response in the body.

Motor Neurons

Nerve cells that transmit signals from the brain or spinal cord to muscles or glands, causing them to contract or secrete.