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Calculate the electric field strength 20 m from a 7 nC charge.
in Physics by Diamond (42,434 points)
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1 Answer

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We need to calculate the electric field a distance from a given charge. We are given the magnitude of the charge and the distance from the charge. We will use the equation: E = (kQ)/(r^2):

E = (kQ)/(r^2)

  = (9,0 x 10^9)(7 x 10-^9) / (20^2)

= 0,15 N.C^-1
by Diamond (39,246 points)

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