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A disc of mass 100 g is rolling without ...

A disc of mass 100 g is rolling without slipping on a horizontal surface with a velocity of `10 cm s^(-1)`. Calculate its total energy.

Text Solution

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The correct Answer is:
`7.5xx10^(-4) J`
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Knowledge Check

  • A solid sphere of mass 1 kg and radius 10 cm rolls without slipping on a horizontal surface, with a velocity of 20 cm/s. The total kinetic energy of the sphere is

    A
    0.014 J
    B
    0.028 J
    C
    14 J
    D
    28 J

  • A solid sphere of mass 1 kg and radius 10 cm rolls without slipping on a horizontal surface, with a velocity of 20 cm/s. The total kinetic energy of the sphere is

    A
    0.014 J
    B
    0.028 J
    C
    14 J
    D
    28 J

  • A uniform thin ring of mass 0.4kg rolls without slipping on a horizontal surface with a linear velocity of 10 cm/s. The kinetic energy of the ring is

    A
    `4xx10^(-3)` joule
    B
    `4xx10^(-2)` joule
    C
    `2xx10^(-3)` joule
    D
    `2xx10^(-2)` joule

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    A uniform circular disc of mass M and radius R rolls without slipping on a horizontal surface. If the velocity of its centre is v_0 , then the total angular momentum of the disc about a fixed point P at a height (3R)//2 above the centre C .

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