In the figure below, the particles have charges q 1 = - q 2 = 173 nC and q 3 = -

Question

In the figure below, the particles have charges q1 = -q2 = 173 nC and q3 = -q4 = 168 nC, and distance a = 4.5 cm.

For the following questions, take right to be the +x direction and up to be the +y direction.

(a) What is the x component of the net electrostatic force on particle 3?
N

(b) What is the y component of the net electrostatic force on particle 3?
N

show steps please! thanks,

In the figure below, the particles have charges q1 = -q2 = 173 nC and q3 = -q4 = 168 nC, and distance a = 4.5 cm. For the following questions, take right to be the +x direction and up to be the +y direction. What is the x component of the net electrostatic force on particle 3? What is the y component of the net electrostatic force on particle 3? N

Explanation / Answer

a) F3 = k q3 q4/a^2 + k q3 q2/(v2 a)^2 cos(45) ==> F3 = 9e9*168e-9*168e-9/(0.045*0.045) + 9e9*168e-9*173e-9/(2*0.045*0.045) ==> F3 = 0.190 N

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