A disc is given an angular velocity omega_(0) and a linear velocity v_(0) as shown in the figure. It is released on a rough horizontal surface of friction coefficient mu. Mark the correct statement (omega_(0)=3v_(0)//R)

A disc is given an angular velocity omega_(0) and a linear velocity v_

1.	A disc is given an angular velocity omega_(0) and a linear velocity v_(0) as shown in the figure. It is released on a rough horizontal surface of friction coefficient mu. Mark the correct statement (omega_(0)=3v_(0)//R)
Answer» The frictional force will be `mu`mg during the entire motion. After some TIME the disc will start rolling WITHOUT sliding along POSITIVE x-axis. After some time the disc will start rolling without sliding along NEGATIVE x-axis. The mechnical energy of the disc will remain conserved. Answer :C