Gauss's law Problem 9.2.5

Start Animation 1 Start Animation 2 Start Animation 3 Start Animation 4

Description

A test charge starts at rest and is attracted to a fixed negative charge distribution that has a small tunnel that allows the test charge to pass through as shown in the animation (position is in charge radii and time is in seconds). 

Question

 If the charge is uniform, which of the animations correctly depicts the motion of the test charge? 

Answer

 Animation 3.

Reference

See Giancoli-PA: Appendix D, Giancoli-SE: 22-3.

Credits

Physlet problem authored by Mario Belloni.

2000 by Prentice-Hall, Inc. A Pearson Company