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Physics, 22.03.2021 14:00 missfuture2020p5umxt

Two tiny spheres with charges +20×10^-8 C and -5.0×10^-8 C with 10cm apart. Point P in the middle of it. a) Calculate the electric field E at point P.
b) Find where in the region the electric field would be zero.
c) Calculate the force on a -4.0 x 10^-8 C charge placed at P.

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