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The bob of a pendulum at rest is given a sharp hit to impart a horizontal velocity u=√10gl, where l is the length of the pendulum. Then, the tension in the string when it is horizontal is xmg where x=

Answer» The bob of a pendulum at rest is given a sharp hit to impart a horizontal velocity u=10gl, where l is the length of the pendulum. Then, the tension in the string when it is horizontal is xmg where x=






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