Question

Find the potential at point P for the rectangular grouping of charges (q1 = -8.51 uC, q2 = 11.1 uC, q3 = 8.51 uC, L1 = 0.163 m and L2 = 0.376 m) as shown in the figure below.

I got this answer (510434.7709 V) and it tells me its incorrect!

Answer #1

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Find the potential at point P for the rectangular grouping of charges (q1 = -8.75 uC, q2 = 12.1 uC, q3 = 8.75 uC, L1 = 0.185 m and L2 = 0.318 m) as shown in the figure below.

Potential is not a vector jus a scalar so the net potential is
the sum of all potentials

V=kq/r

V = kq1/L2 + kq2/d + kq3/L1

d=sqrt(0.185^2 + 0.318^2) = 0.368

V=k(-8.75E-6/0.318 + 12.1E-6/0.368 + 8.75E-6/0.185)

V= 473432 V

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1)
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energy is zero when the charges are very far from each other.)
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2) q1 = q2 = +2.7 µC and
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Three point charges q1, q2, and q3 are situated at three corners
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https://www.webassign.net/webassignalgphys1/19-p-026.gif
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[My Answer 2.21e+6 V] (b) What is
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