A-2.0 nC charge and a +2.0 nC charge are located on the x-axis at x = -1.0 cm and x = +1.0 cm, respectively. Part C Choose the correct graph of the electric field strength along the x-axis E -1.0 cm 1.0 cm HA NA E -1.0 cm 1.0 cm E # -1.0 cm 0 1.0 cm ||
A-2.0 nC charge and a +2.0 nC charge are located on the x-axis at x = -1.0 cm and x = +1.0 cm, respectively. Part C Choose the correct graph of the electric field strength along the x-axis E -1.0 cm 1.0 cm HA NA E -1.0 cm 1.0 cm E # -1.0 cm 0 1.0 cm ||
College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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I don't understand why this is the correct graph, particularly why the electric field strength is negative between the charges. Can you please explain?

Transcribed Image Text:A-2.0 nC charge and a +2.0 nC charge are located on the x-axis at x = -1.0 cm and
x = +1.0 cm, respectively.
Part C
Choose the correct graph of the electric field strength along the x-axis
E
||
-1.0 cm
1.0 cm
-1.0 cm
T
I
E
0
E
1.0 cm
1
I
#
-1.0 cm
1.0 cm
I
1
I
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Step 1: Given
VIEWStep 2: Consider following point
VIEWStep 3: Direction and approximate magnitude of electric field at point A
VIEWStep 4: Direction and approximate magnitude of electric field at point D
VIEWStep 5: Direction and approximate electric field at point B and point C
VIEWStep 6: Electric field at point O
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That did answer a lot of questions. Thank you. But where do you derive the equation E=(K|q|)/r? My book says E=(K|q|)/r^2. I tried re-arranging some equations to get your equation, but I can't figure it out. Thanks.
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