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Find the potential at points P, P2, P3, and Pa in the diagram due to the two given charges. PA T 3 cm 4 cm 4 cm -- -2cm +5 mc P P2 -10 mc |--2 cm 3 cm "Рѕ Hint Review Section 7.3 Calculations of Electric Potential for the derivation of formula for electric potential due to a point charge. Use the Pythagorean theorem to figure out the distances, especially for points P and P. As you add electric potential due to each charge, remember: (1) superposition principle applies for electric potential, and (2) electric potential is a scalar quantity (so they simply add with consideration of positive (+) and negative (-) signs, but without any consideration of direction). V V a. Potential at PL - b. Potential at P2 - c. Potential at P3 - d. Potential at PA- V (Yes, these numbers are quite large because even one millicoulomb is quite a large amount of charge. Use the "E" notation to enter your answers in scientific notation, if necessary, e.g. "3.14E12" for 3.14 x 10.)