Two point charges are located on the y-axis as follows: one charge q1 = -1.90 nC

Question

Two point charges are located on the y-axis as follows: one charge q1 = -1.90 nC located at y= -0.560 m , and a second charge q2 = 3.45 nC at the origin (y=0). Exercise 21.19-Enhanced - with Solution Two point charges are located on the yaxis as follows: one charge g.--190 nC located at y = -0.560 m , and a second charge 3.45 nC at the origin (y = 0 You may want to review (a pages 690-695) For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Vector addition of electo, toroes n.gane Part A What is the magnitude of the total force exerted by these two charges on a third charge 3 4.85 nC located at ya--0.405 m? Submit My Answers Give Up Part B What is the direction of the total force O in te y direction Oin the-y direction Operpendioudar to the -ai Submit My Answers Give Up

Explanation / Answer

partA] By coloumbs law, Force on q3, F= kq1q3/r1^2 + kq2q3/r2^2

= 9e9*-1.9e-9*4.85e-9/(-0.560- -0.405)^2 + 9e9*3.45e-9*4.85e-9/(0 - -0.405)^2

= -2.534 × 10-6 N

Magnitude = 2.534 × 10-6   N answer

partB] direction : in the -y direction

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