Charge -Q is distributed uniformly on an arc of a circle of radius r (each half of which makes an angle 0 = 85° at the origin as show below). Calculate the magnitude of the electri field this charged arc produces at the origin. [k is the Coulomb constant and the figure is NOT drawn to scale] 8 9 Plastic rod of charge-Q

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Charge -Q is distributed uniformly on an arc of a circle of radius r (each half of which
makes an angle 0 = 85° at the origin as show below). Calculate the magnitude of the electric
field this charged arc produces at the origin. [k is the Coulomb constant and the figure is
NOT drawn to scale]
8
D
0.67 kQ/r²
kQ/r²
0.25 kQ/r²
4 kQ/r²
0.83 kQ/r2
Plastic rod
of charge-Q
Transcribed Image Text:Charge -Q is distributed uniformly on an arc of a circle of radius r (each half of which makes an angle 0 = 85° at the origin as show below). Calculate the magnitude of the electric field this charged arc produces at the origin. [k is the Coulomb constant and the figure is NOT drawn to scale] 8 D 0.67 kQ/r² kQ/r² 0.25 kQ/r² 4 kQ/r² 0.83 kQ/r2 Plastic rod of charge-Q
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