Two metal balls A and B of negligible radius, connected by a taut nonconducting

Question

Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 1.35 m, are floating at rest on Space Station Freedom between two metal bulkheads. Ball A carries charge q, and ball B carries charge 2q. Each ball is 1.10 m away from a bulkhead.
(a) If the tension in the string is 2.00 N, what is the magnitude of q? (Ignore any contribution from induced charge in the bulkheads.)


(b) What happens to the system as time passes? Explain. (Assume the thread is oriented perpendicular to the bulkheads.)

Explanation / Answer

a) q = 31.6

b) since there is a tension in the string the bulkheads must be excerting a force on the masses attracting them both or the masses must be repeling eachother. therefore as time passes the tension in the string will increase as the distance between the masses increases and the individual masses both get closer to the bulkheads

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