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SECTION I: MULTIPLE CHOICE
Question 1: Three point charges are placed on the x-axis as shown above. What is the magnitude of the force on the -5.0 charge?
SECTION II: FREE RESPONSE
Question 1: A nonconducting rod of uniform positive linear charge density is near a sphere with charge -2.0 nC. The rod and sphere are held at rest on the x-axis, as shown in Figure 1.