Three point charges, Q1 = 15.4 C, Q2 = 38.6 C, and Q3 = 57.3 C, are arranged as shown in the figure. The lengths y and x both equal 30.1 cm. Calculate the electric potential V at point A. V = 8.15 x 10^6 V.
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Step 1
For Q1, the distance is simply y = 30.1 cm = 0.301 m. For Q2, the distance is the hypotenuse of the triangle formed by x and y, so the distance is √(x^2 + y^2) = √(0.301^2 + 0.301^2) = 0.301√2 m. For Q3, the distance is simply x = 30.1 cm = 0.301 m. Now, we can Show more…
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