# Wedge and Sphere problem

A sphere of radius $R$ is in contact with a wedge. The point of contact is $\frac{R}{5}$ from the ground as shown in figure. Wedge is moving with velocity $20~\text{m/s}$ towards left then the velocity of the sphere at this instant will be

http://www.artofproblemsolving.com/Forum/viewtopic.php?f=513&t=530952

I have attempted a solution there , however , unable to make any progress . Kindly advice if that is the right path to the solution , if something is there that I am not considering.

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Minor comment: The link (v1) looks prone to future link rot. –  Qmechanic Apr 23 '13 at 11:23