A thin metallic shell of radius 40 cm has a charge of -25, Ask an Expert

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Q. A thin metallic shell of radius 40 cm has a charge of -25 nC on it. At the center of the sphere is a point charge of 35 nC. What is the electric field 15 cm from the center of the shell?

Q. What is the acceleration experienced by the tip of the 1.25 cm long sweep second hand on your wrist watch?

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Category:- Physics
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