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A metal sphere of radius 14 cm has a net charge of 3.8 x10–8 C.
(a) What is the electric field at the sphere'ssurface?
(b) If V = 0at infinity, what is the electric potential (in V) at the sphere'ssurface?
(c) At what distance (in cm)from the sphere's surface has the electric potential decreased by630 V?
q1. a positively charged particle of mass 6.00 10-8 kg is travelling due east with a speed of 25 ms and enters a 0.46 t
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