A 15-Kg Block Sitting on a Smooth Table Is Connected

question 44

Multiple Choice

A 15-kg block sitting on a smooth table is connected to a free-hanging 5-kg mass by a stretchless,massless cord that passes over a small frictionless pulley.The acceleration of the two-block system is

• A)equal to g.
• B)half of g.
• C)one-third of g.
• D)one-fourth of g.
• E)zero.

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Definitions:

Mood

A temporary state of feeling or emotion that influences an individual's perception and behavior.

Sigmund Freud

An Austrian neurologist and the founder of psychoanalysis, a method for treating psychopathology through dialogue between a patient and a psychoanalyst.

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A pioneering American psychologist and educator, known for his work in child development and educational psychology.

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An American psychologist considered one of the founders of behaviorism; he emphasized the study of observable behavior over the study of the mind.