A Positive Point Charge Q Is Fixed on a Very

question 25

Multiple Choice

A positive point charge Q is fixed on a very large horizontal frictionless tabletop.A second positive point charge q is released from rest near the stationary charge and is free to move.Which statement best describes the motion of q after it is released?

• A) Its speed will be greatest just after it is released.
• B) Its acceleration is zero just after it is released.
• C) As it moves farther and farther from Q, its acceleration will keep increasing.
• D) As it moves farther and farther from Q, its speed will decrease.
• E) As it moves farther and farther from Q, its speed will keep increasing.

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Definitions:

Mental Images

Visual or other sensory representations created by the mind, which can be used in problem-solving and creative thinking.

Echoic Memory

A form of sensory memory that retains audio information for a short period after the original sound has ceased.

Effortful Processing

A type of memory encoding that requires attention and conscious effort.

Automatic Processing

A type of cognitive processing that occurs automatically, without conscious thought, often as a result of learning and practice.