# physics

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Two point charges are 10.0 cm apart and have charges of 2.0 µC and -2.0 µC, respectively. What is the magnitude of the electric field at the midpoint between the two charges?

• physics -

E=2kq/.05^2

check my thinking

• physics -

a charge Q1 Lcm away from Q2. At what point on the line joining the two charges the electric field is zero

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