A Particle (M = 2

question 53

Multiple Choice

A particle (m = 2.0 μg, q = −5.0 μC) has a speed of 30 m/s at point A and moves (with only electric forces acting on it) to point B where its speed is 80 m/s. Determine the electric potential difference VA − VB.

• A)−2.2 kV
• B)+1.1 kV
• C)−1.1 kV
• D)+2.2 kV
• E)+1.3 kV

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Definitions:

Extinction Procedure

A behavioral technique in which reinforcement of a previously reinforced behavior is discontinued, leading to a decrease in the frequency of the behavior.

Operant Conditioning

A process of acquiring knowledge in which the force of an activity is changed by either positive reinforcement or penalties.

Token Economy

A behavioral therapy method that involves rewarding desired behaviors with tokens that can be exchanged for various privileges or treats.

Operant-conditioning

A learning process through which the strength of a behavior is modified by reward or punishment.