A Vibrating Tuning Fork Is Held Above a Tube Filled $\Delta$

question 65

Multiple Choice

A vibrating tuning fork is held above a tube filled with water.The first two resonances occur when the water level is lowered by 14.2 cm and 44.2 cm from the top of the tube.If there is a small end correction that adds a small extra length $\Delta$ L? to the effective length of the air column,calculate the frequency of the tuning fork.Assume the speed of sound to be 330 m/s.

• A)560 Hz
• B)581 Hz
• C)550 Hz
• D)1100 Hz
• E)1120 Hz

Describe the methodology, usage, and comparison of time-series forecasting models and associative models.

Understand the ethical guidelines in psychological research, including informed consent, deception, and privacy.

Recognize the importance and methods of ensuring validity (internal and external) and reliability in research.

Identify the role and implications of deception in psychological research and how it affects ethical considerations.

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Definitions:

Obedience

The act of following orders or directions from a person in authority, often without question or resistance.

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A type of emotional bond where an individual feels confident and believes their attachment figures (often parents or caregivers) will be available to meet their needs.

Childhood Experience

Events, interactions, and situations a person goes through during their early years, which can significantly influence their development and personality.

Social Development

The process by which individuals acquire the skills, behaviors, and attitudes necessary to function effectively in society.