WBJEE 2012 Physics Solved Paper

A spherical ball A of mass 4 kg, moving along a straight line strikes another spherical ball B of mass 1 kg at rest. After the collision, A and B move with velocities v1ms−1 and v2ms−1 respectively making angles of 30° and 60° with respect to the original direction of motion of A The ratio

v1

v2

will be