A metal rod of length L, attached to a vertical shaft by a non-conducting ihread of length I is rotating in a horizontal plane with a constant angular velocity @. Find potential difference between the ends of the rod. Now a uniform magnetic field in vertically upward direction is switched n What should the magnitude of the flux density of the magnetic field be so that the potential difference between the ends of the rod becomes double? Neglect gravity and denote the mass and the charge on an electron by m and e respectively. Ano: mco? (2+2)L & m L. her of thickness dis made +

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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.