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 observer are respectively [UPSEAT 2002]

\[2\upsilon ,\,2\upsilon \text{ and}\,\text{zero}\]

\[\upsilon ,\,\upsilon \text{ and }\upsilon \]

\[2\upsilon ,\,\sqrt{2}\upsilon \text{ and}\,\text{zero}\]

\[2\upsilon ,\,\sqrt{2}\upsilon \text{ and}\,\sqrt{2}\upsilon \]

A solid disc rolls clockwise without slipping over a horizontal path w

1.	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 observer are respectively [UPSEAT 2002]
A.	\[\upsilon ,\,\upsilon \text{ and }\upsilon \]
B.	\[2\upsilon ,\,\sqrt{2}\upsilon \text{ and}\,\text{zero}\]
C.	\[2\upsilon ,\,2\upsilon \text{ and}\,\text{zero}\]
D.	\[2\upsilon ,\,\sqrt{2}\upsilon \text{ and}\,\sqrt{2}\upsilon \]
Answer» C. \[2\upsilon ,\,2\upsilon \text{ and}\,\text{zero}\]