Coulomb's Law: a Positive Point Charge Q Is Fixed on a Very

question 48

Multiple Choice

Coulomb's law: 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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