y | 45° P x > 1) Five charges live on a half-circle of radius r and are evenly placed at 45 degrees from each other. The charges are either + or -Q as labeled. What is the E-field at point P in terms of r and Q? Hint: sin(45°) = cos(45°) = √2. Also ŷ is a unit vector that points in the positive y-direction and likewise for î.
y | 45° P x > 1) Five charges live on a half-circle of radius r and are evenly placed at 45 degrees from each other. The charges are either + or -Q as labeled. What is the E-field at point P in terms of r and Q? Hint: sin(45°) = cos(45°) = √2. Also ŷ is a unit vector that points in the positive y-direction and likewise for î.
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Transcribed Image Text:y
45°
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1) Five charges live on a half-circle of radius r and are evenly placed at 45 degrees from each
other. The charges are either +Q or −Q as labeled. What is the E-field at point P in terms
of r and Q? Hint: sin(45°) = cos(45°) = √2. Also ŷ is a unit vector that points in the positive
y-direction and likewise for î.
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