Two Protons Are Fired Toward Each Other in a Particle

question 97

Multiple Choice

Two protons are fired toward each other in a particle accelerator,with only the electrostatic force acting.Which of the following statements must be true about them as they move closer together? (There could be more than one correct choice. )

• A)Their electric potential energy keeps increasing.
• B)Their kinetic energy keeps increasing.
• C)Their electric potential energy keeps decreasing.
• D)Their kinetic energy keeps decreasing.
• E)Their acceleration keeps decreasing.

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