JEE Main 2015 Physics question
A particle of mass kg is on a smooth horizontal table and moves in a circular path of radius m. The height of the table from the ground is m. If the angular speed of the particle is rad s, the magnitude of its angular momentum about a point on the ground right under the center of the circle is:
Answer: (1)
Solution
The speed is m s, so the linear momentum has magnitude kg m s. Take the reference point on the ground directly below the centre of the circle. The position vector from to the particle has a horizontal component of 0.6 m (the
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