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A circular disc of radius R is removed f...

A circular disc of radius R is removed from a bigger circular disc of radius 2R, such that the circumference of the discs coincide. The centre of the bigger disc. The value of `alpha` is

A

`1/3`

B

`1/2`

C

`1/6`

D

`1/4`

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The correct Answer is:
A
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  • A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumference of the discs coincoid . The centre of mass of the new disc is alphaR from the centre of the bigger disc . the value of alpha is

    A
    `1//3`
    B
    `1//2`
    C
    `1//6`
    D
    `1//4`

  • A circular disc of radius R is removed from a bigger circular disc of radius 2R, such that the circumference of the disc coincides. The centre of mass of the new disc is αR from the centre of bigger disc. The value of alpha is

    A
    `1/3`
    B
    `1/2`
    C
    `1/6`
    D
    `1/4`

  • A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the cirucmferences of the discs coincide. The centre of mass of the new disc is alpha/R from the center of the bigger disc. The value of alpha is

    A
    `1/4`
    B
    `1/3`
    C
    `1/2`
    D
    `1/6`

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