MCQ
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
  • A
    $\upsilon ,\,\upsilon {\rm{ \,and\, }}\upsilon $
  • $2\upsilon ,\,\sqrt 2 \upsilon {\rm{ \,and\,}}\,{\rm{zero}}$
  • C
    $2\upsilon ,\,2\upsilon {\rm{\,and\,}}\,{\rm{zero}}$
  • D
    $2\upsilon ,\,\sqrt 2 \upsilon {\rm{\,and\,}}\,\sqrt 2 \upsilon $

Answer

Correct option: B.
$2\upsilon ,\,\sqrt 2 \upsilon {\rm{ \,and\,}}\,{\rm{zero}}$
b
(b)

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