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Consider two charges, q1 = Q at (0, 0) and q2 = Q at (a, 2a)....

Consider two charges, q1 = Q at (0, 0) and q2 = Q at (a, 2a). (a) What is the force on a third charge, q3 = Q at (0, 2a)? (b) Where should a fourth charge, q4 = Q, be placed so that the force on q3 is zero?

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Answer #1

t+ (а, 2а) ·force on 93- e. at ( ol 2a) Fryce on, due to 인! Fs, = Key2. (upward) +4 qnus Зі 4a2 K42 aar Cl l G 4a-

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