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A horizontal disc is rotating about a ve...

A horizontal disc is rotating about a vertical axis passing through its centre. If an insect moves from centre to rim then the angular momentum of the system

A

First decrease and then increase

B

Remains constant

C

Decreases

D

Increases

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  • A thin horizontal circular disc is rotating about a vertical axis passing through its centre. An insect is at rest at a point near the rim of the disc. The insect now moves along a diameter of the disc to reach other end. During the journey of the insect, the angular speed of the disc

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    remains unchanged.
    B
    continuously decreases.
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    continuously increases.
    D
    first increases and then decreases.
  • A thin horizontal circular disc is roating about a vertical axis passing through its centre. An insect is at rest at a point near the rim of the disc. The insect now moves along a diameter of the disc to reach its other end. During the journey of the insect, the angular speed of the disc.

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