negligible mass with two small balls each of mass mand electric charge Q attached to its ends The rod can rotate in the

Question

negligible mass with two small balls each of mass mand electric charge Q attached to its ends The rod can rotate in the horizontal plane about L a fixed vertical axis crossing it a distance from one of its ends A uniform horizontal electric field E along x axis is established At first the rod is in unstable equilibrium If it is disturbed slightly from this position the maximum velocity attained by the ball which is closer to the axis in subsequent motion is 1 3 2QEL m QEL 5m 1 2 3 24 In what position the rod must be set so that if displaced a little from that position it begins simple harmonic oscillations about the axis Consider the situation of previous problem 1 2 8QE 5mL 2QEL 5m 25 What would be the angular frequency of SHM in the above question i e Q 24 4QEL m 2 5mL V QE OF

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