Point Charges of 4 $\times$ 10^-8 C and -2 $\times$ 10^-8 C Are Placed 12 Cm Apart

question 38

Multiple Choice

Point charges of 4.0 $\times$ 10^-8 C and -2.0 $\times$ 10^-8 C are placed 12 cm apart.A third point charge of 3.0 $\times$ 10^-8 C halfway between the first two point charges experiences a force of magnitude

• A)4.5 \(\times\) 10^-3 N
• B)2.0 \(\times\) 10^-3 N
• C)1.5 \(\times\) 10^-3 N
• D)zero
• E)5.0 \(\times\) 10^-3 N

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