A 20-M String Is Fixed at Both Ends and Tightened Until

question 32

Multiple Choice

A 2.0-m string is fixed at both ends and tightened until the wave speed is What is the frequency of the standing wave shown in the figure?

• A) 120 Hz
• B) 230 Hz
• C) 350 Hz
• D) 470 Hz

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Definitions:

Appetite Problems

Issues related to eating habits, which can range from loss of appetite to overeating, potentially leading to health complications.

Mood Disturbances

Variations from a person's baseline mood, including disorders such as depression or bipolar disorder, affecting emotional states and behaviors.

Serotonin

A neurotransmitter involved in regulating mood, appetite, sleep, memory, and learning. Imbalances in serotonin are associated with depression and other mood disorders.

Endorphins

Natural, pain-killing chemicals released in the brain that also contribute to sensations of pleasure or well-being.