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First Law of Motion

69.Two disc o...

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69.Two disc of same moment of inertia rotating about their regular axis passing through centre and perpendicular to their plane of disc with angular velocity omega 1 and 2. They are brought about face to face coinciding the axis of rotation. The expression for loss of energy during this process is

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Q. Two discs of same moment of inertia rotating about their regular axis passing through centre and perpendicular to the plane of disc with angular velocities

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