Two metal balls A and B of negligible radius are floating at rest on Space Station Freedom between two metal bulkheads, connected by a taut nonconducting thread of length 2.05 m. Ball A carries charge q, and ball B carries charge 2q. Each ball is 1.64 m away from a bulkhead. (a) If the tension in the string is 2.35 N, what is the magnitude of q? (Ignore any contribution from induced charge in the bulkheads.) μC (b) What happens to the system as time passes? Explain. (Assume the thread is oriented perpendicular to the bulkheads.)

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Q: psitive charg charne har

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A: F=Fq1q3F=kq2r2F20=kq22r2

Q: None

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Q: In the figure below, a small, nonconducting ball of mass m = 1.4 mg and charge q = 2.2 ✕ 10−8 C…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.