49. Two small non-conducting balls A and B are rigidly attached at the ends of a light frictionless non-conducting rod. A third non-conducting ball C can slide on the rod like a threaded bead between the balls A and B. All the three balls are of equal mass m and have equal charges q. Initially the balls are held at rest in free space with centre-to-centre spacing as shown in the figure. All the balls are simultaneously released. Find maximum speed of the ball C in subsequent motion. Neglect radii of the balls as compared to the distance d. 3d ADeach of mass m and charge q are usth I to B

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.