Question: A point charge Q = -460 nC and two unknown point charges, q1 and q2, are placed as shown in the figure. The electric field

A point charge Q = -460 nC and two unknown point charges, q1 and q2, are placed as shown in the figure. The electric field at the origin O, due to charges Q, q1 and q2, is equal to 298 N/C directed at an angle 31 from the negative y-axis in the fourth quadrant. The distances of charges from the origin are r = 2.5 m, r1 = 1.21 m, and r2 = 1.5 m. Use El , E2, EQ. E as notations for the electric fields of charges q1 ,92 , Q, and net field respectively. y Q $91 r 11 30 O 92 X

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