A solid disc rolls clockwise without slipping over a horizontal path with a constant speed $\upsilon $. Then the magnitude of the velocities of points $A, B$ and $C$ (see figure) with respect to a standing

22-12

  • A

    $\upsilon ,\,\upsilon {\rm{ \,and\, }}\upsilon $

  • B

    $2\upsilon ,\,\sqrt 2 \upsilon {\rm{ \,and\,}}\,{\rm{zero}}$

  • C

    $2\upsilon ,\,2\upsilon {\rm{\,and\,}}\,{\rm{zero}}$

  • D

    $2\upsilon ,\,\sqrt 2 \upsilon {\rm{\,and\,}}\,\sqrt 2 \upsilon $

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