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Moti Binod Ghose
Asked: 2022-11-04T18:40:49+05:30 In:

The disc of radius `r` is confined to roll without slipping at `A` and `B`. If the plates have the velocities shown, then
image
A. angular velocity of the disc is `2V//r`
B. linear velocity `V_(0)=V`
C. angular velocity of the disc is `3V//2r`
D. none of these

The disc of radius `r` is confined to roll without slipping at `A` and `B`. If the plates have the velocities shown, then
image
A. angular velocity of the disc is `2V//r`
B. linear velocity `V_(0)=V`
C. angular velocity of the disc is `3V//2r`
D. none of these
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1 Answer

  1. Correct Answer – A::B
    `v_(0)=romega_(0)=3v`……i
    `v_(0)+romega_(0)=-v`….ii
    From eqn i and ii we get
    `2v_(0)=2vimpliesv_(0)=v`
    `v_(0)+v_(0)=-romega_(0)impliesomega=(2v)/r`

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