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Rotational kinetic energy is 50% of tran...

Rotational kinetic energy is `50%` of translational kinetic energy.What is the object?

A

Disc

B

ring

C

sphere

D

hollow cylinder

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Knowledge Check

  • Rotational kinetic energy is equal to

    A
    `1w^2`
    B
    `I^2 w^2`
    C
    `(3)/(2) I w^2`
    D
    `(1)/(2) I w^2`

  • If rotational kinetic energy is 50% of total kinetic energy then the body will be

    A
    ring
    B
    cylinder
    C
    hollow sphere
    D
    solid sphere

  • The rotational kinetic energy is -

    A
    `m omega^2`
    B
    `1/2 I alpha^2`
    C
    ` 1/2 I omega^2`
    D
    `1/2 mv^2`

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    What is the difference between total kinetic energy and translational kinetic energy ? For what type of molecules, the two are equal ?

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