A 375-G Stone Hangs from a Thin Light String That

question 88

Short Answer

A 375-g stone hangs from a thin light string that is wrapped around the circumference of a frictionless pulley with a moment of inertia of 0.0125 kg ∙ m² and a radius of 26 cm. When the stone is released, the stone accelerates downward and the pulley rotates about its axis as the string unwinds.
(a) What is the magnitude of the acceleration of the stone?
(b) What is the tension in the string?

Critically evaluate theories and criticisms related to dreams (e.g., Freud's theory).

Understand the role and impact of sleep deprivation on physical and mental health.

Discuss the effects of hypnosis and the scientific evaluation of its effectiveness.

Distinguish between perfectly inelastic and perfectly elastic demand.

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Definitions:

Cognitive Dissonance

The inner turmoil experienced when an individual simultaneously holds conflicting beliefs, ideas, or values.

Self-Perception Theory

A theory by Daryl Bem that suggests individuals infer their own attitudes and emotions by observing their own behavior and the context in which it occurs.

Self-Handicapping

A cognitive strategy where an individual creates obstacles to performance in order to maintain self-esteem in the face of potential failure.

Attitudes

Attitudes are relatively enduring sets of beliefs and feelings toward a person, object, or event, influencing an individual's emotional responses and behaviors.