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A person stands in contact against the inner wall of a rotor of radius r. The coefficient of friction between the wall and the clothing is μ and the rotor is rotating about vertical axis. The minimum angular speed of the rotor so that the person does not slip downward is

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Important Questions on Laws of Motion

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Gamma Question Bank for Medical Physics>Chapter 5 - Laws of Motion>Assignment>Q 64

Figure shows two cases. In first case a spring (spring constant K) is pulled slowly by two equal and opposite forces F at both ends and in second case is pulled by a force F At one end. Extensions (x) In the springs will be

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