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Two charges Q = - 9.5 nC, and q = + 3.5 nC are placed as shown below. Given that a = 60 cm and b = 80 cm. Draw field vectors required to solve the problem clearly for full credits. (a) Calculate the net electric field due to Q and q at P in unit vector notation. (b. If an electron is placed at P, determine the electric force experienced by the electron in unit vector notation.

o 4 -1 .P 1 90- 1 1

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Answer #1

-9.5nc Q O og snc ty R = √60248 02= 100cm im. al EQ Eer 60cm ! n 8oor x - - 3. snc First find the modules of E - 1 Egle Ke Q- -1.6*109 (-43-2 +70:27) Sol Total Electic field Ep + EN - oss 40.8 ĉ to69) + 385 (0.8i 10.63) =(-43.2 î + 70.20 Juim Force

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