Closest Approach Lab
Closest Approach Problem
In this activity you will be firing charged particles directly at a larger, stationary charge. Your goal for this activity is to see how the different factors determine the distance of closest approach between your charges.

When you are ready to start this activity, click on the begin button.
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Adjust the system's parameters below and when you have them at the values you want, click on the start button.

Take notice of the closest distance that your particles get from one another.

The fixed charge is green and the charge that is free to move is yellow.