A uniform rod AB of mass m and length 2a is falling freely without rotationb under gravity with AB horizontal. Suddenly the end A is fixed when the speed of the rod is v. The angular speed which the rod begains to rotate is

A uniform rod AB of mass m and length 2a is falling freely without rot

1.	A uniform rod AB of mass m and length 2a is falling freely without rotationb under gravity with AB horizontal. Suddenly the end A is fixed when the speed of the rod is v. The angular speed which the rod begains to rotate is
Answer» `(v)/(2A)` `(4v)/(3A)` `(v)/(3a)` `(3V)/(4A)` Answer :D