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A hoop of radius r mass m rotating with ...

A hoop of radius `r` mass `m` rotating with an angular velocity `omega_(0)` is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it cases to slip ?

A

`v=0.5omega_(0)r`

B

`v=1.5omega_(0)r`

C

`v=2.0omega_(0)r`

D

`v=3.5omega_(0)r`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A hoop of radius r and mass m rotating with an angular velocity omega_0 is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it ceases ot slip?

    A
    `(romega_0)/(4)`
    B
    `(romega_0)/(3)`
    C
    `(romega_0)/(2)`
    D
    `romega_0`

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    must be forward (in direction of `v`)
    B
    must be backward (opposite to `v`)
    C
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    D
    none of the above

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