As a Particle Moves Along the X Axis It Is

question 83

Multiple Choice

As a particle moves along the x axis it is acted upon by a single conservative force given by F_x = (20 − 4.0x) N where x is in m. The potential energy associated with this force has the value +30 J at the origin (x = 0) . What is the value of the potential energy at x = 4.0 m?

• A) −48 J
• B) +78 J
• C) −18 J
• D) +48 J
• E) +80 J

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Definitions:

Misinformation Effect

The misinformation effect happens when a person's recall of episodic memories becomes less accurate because of post-event information.

Hypnotically Refreshed

The process of enhancing memory recall through hypnosis, though its reliability is controversial.

Repression

A defense mechanism in psychoanalytic theory where unpleasant thoughts, memories, or feelings are unconsciously pushed out of conscious awareness.

Repressed Memories

Unconsciously buried memories of traumatic events that can affect behavior and mental health.