Question: Two positive point charges +q are on the y axis at y = +a and y = a as in Problem 32. A bead of

Two positive point charges +q are on the y axis at y = +a and y = –a as in Problem 32. A bead of mass m carrying a negative charge –q slides without friction along a thread that runs along the x axis

(a) Show that for small displacements of x << a, the bead experiences a restoring force that is proportional to x and therefore undergoes simple harmonic motion.

(b) Find the period of the motion.

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a For x a a 2 x 2 32 a 3 and E x 2 kqx a 3 see Problem 32 b Since m carries a negat... View full answer

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