There are 3 point charges at the given locations. Charge 1 is 5.2 at x = 0.9 , c

Question

There are 3 point charges at the given locations. Charge 1 is 5.2 at x = 0.9 , charge 2 is 5.61 , at y = 0.53 , and charge 3 is -1.41 , at x = -0.73 , and y = 0.31 . Calculate the x component of the net electric field at the origin? Calculate the y component of the net electric field produced at the origin? Calculate the net electric field at the origin? What is the direction of the net electric field at the origin? Give an acute ( < 90 degrees) angle with respect to the -x axis. (How many degrees above or below the -x axis)

Explanation / Answer

since we know that field from positive charge goes away from the charge and negitive charge goes toward it...... first talk about 3 rd charge.... r=sq.rt(.73^2+.31^2) =.739 angle=arctan(.31/.73)=23 degree electric field= kq/r^2=16000(taking q=1.41 micro coulombs) so x component is =E cos angle=14728J y component is=E sin angle=6251.69J now electric field due to first charge (5.1) is toward positive x axis=57777.77 electric field due to second charge(5.61)is toward negative y axis=179743 total in x direction=57777.77-14728=43049.77J total in y direction=179743-6251.69=173492.991J

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