A Wave Is Described by the Function Y(x,t) = (3

question 60

Multiple Choice

A wave is described by the function y(x,t) = (3.00 cm) cos[( 3.00 m^-1) x + ( 4.00 s^-1) t]. What is the wavelength of this wave?

• A)2.09 m
• B)3.00 m
• C)0.333 m
• D)0.250 m
• E)1.57 m

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Definitions:

Ego

The component of the psyche that is responsible for dealing with reality while mediating between the desires of the id and the morals of the superego.

Id

In Freudian psychoanalysis, the part of the mind in which innate instinctive impulses and primary processes are manifested.

Superego

In psychoanalytic theory, the part of the personality that acts as a moral center, enforcing societal norms and values and controlling the desires of the id.

Psychic Energy

A concept in psychoanalytic theory referring to the force or drive behind human behavior, emotions, and thoughts.