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21.96 •. Two charges are placed as Figure P21.96 shown in Fig. P21.96. The magnitude of q1 is 3.00 µC, but its sign and the value of the charge q2 are not known. P 5.0 cm 12.0 cm The direction of the net electric field E E at point P is entirely in the negative y-direction. (a) Considering the different possible signs of qị and q2, four possible diagrams could represent the electric fields E1 and E2 produced by q1 and q2. Sketch the four possible electric- field configurations. (b) Using the sketches from part (a) and the direction of E, deduce the signs of q1 and q2. (c) Determine the magnitude of E. 91 13.0 cm 92

21.96 •. Two charges are placed as Figure P21.96 shown in Fig. P21.96. The magnitude of q1 is 3.00 µC, but its sign and the value of the charge q2 are not known. P 5.0 cm 12.0 cm The direction of the net electric field E E at point P is entirely in the negative y-direction. (a) Considering the different possible signs of qị and q2, four possible diagrams could represent the electric fields E1 and E2 produced by q1 and q2. Sketch the four possible electric- field configurations. (b) Using the sketches from part (a) and the direction of E, deduce the signs of q1 and q2. (c) Determine the magnitude of E. 91 13.0 cm 92

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In problem 21.96 of your book, University Physics 15th edition (see End of the Chapter 21 section), what is the magnitude of the electric field (in N/C)? (Don't use scientific notation for expressing a very small or very large number)

21.96 0. Two charges are placed as shown in Fig. P21.96. The magnitude of q1 is 3.00 µC, but its sign and the value of the charge q2 are not known. Figure P21.96 P 5.0 cm 12.0 cm The direction of the net electric field E É at point P is entirely in the negative y-direction. (a) Considering the different possible signs of q1 and q2, four possible diagrams could represent the electric fields Ej and E produced by q1 and q2. Sketch the four possible electric- field configurations. (b) Using the sketches from part (a) and the direction of E, deduce the signs of q1 and q2. (c) Determine the magnitude of E. 91 13.0 cm 92
Transcribed Image Text:21.96 0. Two charges are placed as shown in Fig. P21.96. The magnitude of q1 is 3.00 µC, but its sign and the value of the charge q2 are not known. Figure P21.96 P 5.0 cm 12.0 cm The direction of the net electric field E É at point P is entirely in the negative y-direction. (a) Considering the different possible signs of q1 and q2, four possible diagrams could represent the electric fields Ej and E produced by q1 and q2. Sketch the four possible electric- field configurations. (b) Using the sketches from part (a) and the direction of E, deduce the signs of q1 and q2. (c) Determine the magnitude of E. 91 13.0 cm 92
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