The Membrane Surround x M waeyPLUS https://edugen.wileyplus.com/edugen/student/m

Question

The Membrane Surround x M waeyPLUS https://edugen.wileyplus.com/edugen/student/mainfr.uni Wiley PLUS: Cutnell, Physics, 10e General Physics (General Physics 18 Problem 13 Two point charges are fored on the y ads: a negative point charge gi 27 uc at yu +0.23 m and a positive point charge +0.35 m A third point charge e +8.8 uc is fixed at the origin. The net electrostatic force exerted on the charge a by the other two charges has a magnitude of 30 N and points in the +y direction. Determine the magnitude of 72. The n of significant dges is see to the tolerance s Click if you would like to show work for this question: ogens haa

Explanation / Answer

force on q due to q1 ,

F1 = k q1 q / d1^2

F1 = (9 x 10^9 ) ( 27 x 10^-6) ( 8.8 x 10^-6) / (0.23^2)

F1 = 40.42 N upward

F = F1 + F2

30 = 40.42 + F2

F2 = - 10.42 N

so due to q2, force will be 10.42 and along -y axis.

F2 = k q2 q / d2^2

10.42 = ( 9 x 10^9) ( q2) ( 8.8 x 10^-6) / ( 0.35^2)

q2 = 16.1 x 10^-6 C Or 16.1 uC

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