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33.2 Exercise 5

Avg difficulty 2.5

Consider the Earth-Moon system. If we were to place equal charges on the Earth and the Moon, how large would they need to be for the electrostatic repulsion to counteract the gravitational attraction?

  1. 5.1×1013 C
  2. 5.7×1013 C
  3. 6.7×1013 C
  4. 3.3×1027 C

OpenStax College Physics 2e, 33.2 The Four Basic Forces, exercise 5

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.