Three point charges are arranged on a line. Charge q3 = +5.00nC and is at the or

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Three point charges are arranged on a line. Charge q3 = +5.00nC and is at the origin. Charge q2 = -4.00 nC and is at x = 3.50 cm . Charge q1 is at x = 1.50 cm . ..ooo cricket 10:45 PM 17%) session.masteringphysics.com C Exercise 21.13-Enhanced-with Solution Exercise 21.13-Enhanced-with Solution Three point charges are arranged on a line. Charge g -+5.00C and is at the origin 4.00 nC and is at z = 3.50 cm . Charge q1 is at z = 1.50 cm You may want to review (pages 690-695) or related problemsolving tips and strategies, you may want to view a Video Tutor Sol art A What is gi (magnitude and sign) if the net force on q3 is zero? nC Submit My Answers Give Up In

Explanation / Answer

electric field at q3 is zero.

So kq1/r1^2 + kq2/r^2 = 0

q1/0.015^2 -4/0.035^2 = 0

q1 = 4*0.015^2/0.035^2

= +0.735 nC ANSWER

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