Suppose the Maximum Speed of a String Carrying a Sinusoidal

question 2

Multiple Choice

Suppose the maximum speed of a string carrying a sinusoidal wave is v_s. When the displacement of a point on the string is half its maximum, the speed of the point is:

• A) v_s/2
• B) 2v_s
• C) v_s/4
• D) 3v_s/4

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Definitions:

Foreclosure

In psychological terms, it refers to a premature commitment to an identity or role as determined by parental choice, without undergoing a period of exploration.

James Marcia

A developmental psychologist who proposed a theory of identity status focusing on adolescents' exploration and commitment to values and goals.

Identity Statuses

A framework by James Marcia categorizing the process of identity formation into four statuses: achievement, moratorium, foreclosure, and diffusion.

Identity Diffusion

A state in adolescence described by Marcia as part of his identity status theory, where an individual has not yet undergone an identity crisis or made any commitments.