A 6-g (6 x 10-9kg) -particle carrying 2 nC charge describes a circular orbit about an...

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A 6-g (6 x 10-9kg) -particle carrying 2 nC charge describes a circular orbit about an in- finitely long and thin charged wire. (a) What is the sign of the charge on the wire? The particle charge's sign is positive. (b) What is the line charge density of the wire if the speed of the particle is 100 m/s? A 6-g (6 x 10-9kg) -particle carrying 2 nC charge describes a circular orbit about an in- finitely long and thin charged wire. (a) What is the sign of the charge on the wire? The particle charge's sign is positive. (b) What is the line charge density of the wire if the speed of the particle is 100 m/s?