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JEE Main Physics question

PhysicsLaws of MotionJEE Main

An object of mass 10 kg is whirled round a horizontal circle of radius 4 m by a revolving string inclined at to the vertical. If the uniform speed of the object is 5 m/s, the tension in the string (approximately) is

Answer: (D)

Solution

Using the geometry of the conical pendulum (string length , horizontal radius m, m), and

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Question ID VK-157826