IP The point charges in the figure ( Figure 1 ) have the following values: q 1 =

Question

IP The point charges in the figure(Figure 1) have the following values: q1 = 1.9?C , q2 = 6.6?C , q3= -0.87?C .

A) Given that the distance d in the figure is 4.06cm , find the direction and magnitude of the net electrostatic force exerted on the point charge q1.

B) Give theta of

counterclockwise from q1-q3 direction

IP The point charges in the figure(Figure 1) have the following values: q1 = 1.9?C , q2 = 6.6?C , q3= -0.87?C . Given that the distance d in the figure is 4.06cm , find the direction and magnitude of the net electrostatic force exerted on the point charge q1. Give theta of counterclockwise from q1-q3 direction

Explanation / Answer

F2 = k*q2*q1/d^2 = 68.47 N

F3 = k*q3*q1/d^2 = 8.022 N


F2x = -F2*cos(60) = -34.24 N

F2y = -F2*sin(60) = -59.3 N

F2x = 8.022 N

F2y = 0

Fnet,x = F1x + F2x = -51.3 N

Fnet,y = F1y + F2y = -59.3

Fnet = sqrt(Fnet,x^2 + Fnet,y^2) = 72.53 degrees

theta = tan^-1(Fnet,y/Fnet,x) = 49.13 + 180 = 229.13 degrees with +x axis in counter clockwise direction

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