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A solid sphere of radius 40.0 cm has a total positive charge of 37.6 µC uniformly...

A solid sphere of radius 40.0 cm has a total positive charge of 37.6 µC uniformly distributed throughout its volume. Calculate the magnitude of the electric field at the following distances.
(a) 0 cm from the center of the sphere
kN/C

(b) 10.0 cm from the center of the sphere
kN/C

(c) 40.0 cm from the center of the sphere
kN/C

(d) 65.0 cm from the center of the sphere
kN/C
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