The figure below shows an arrangement of four charged particles that are held mo

Question

The figure below shows an arrangement of four charged particles that are held motionless at the corners of a 'kite' -shaped quadrilateral. Particles 1 and 2 lie on the x-axis at d=-2.00cm and D=+3.00cm, respectively, and both angles ?=30.00 . Particles 1 and 2 are identically charged with q1=q2=8.00x10^-19 C. Particles 3 and 4 lie on the y-axis and are identically charged with charges q3=q4=-1.6x10^-19 C.

(a) Find the angle ? (in the figure) and the distance l between charges q2 and q3.

(b) Find F2_net, the net electrostatic force on charge q2. You must draw an appropriately labeled free body diagram for q2, and you must report your final answer in unit-vector notation.

Explanation / Answer

the x compoent of the field due to the charges on the x axis gets cancelled and so does the y component of the charges on the y axis There should be no hurry as things will reveal themselves with patience. force = Q1*Q2 / (distance)^2. Applying this formula to each pair of charges f1 =[-4.00C-4.30C] /_90d, f2 =[-4.00C-4.30C] /_0d, f3 =[-4.00C>0,164m

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