A sphere of mass 𝑚_1=2kg collides with a sphere of mass 𝑚_2=2kg which is at rest . Mass 𝑚_1 , after the collision will move at right angle to the joining centers of two spheres at the time of collision , assuming colliding surfaces are smooth , if the coefficient of restitution is

A sphere of mass 𝑚_1=2kg  collides with a sphere of mass 𝑚_2=2kg  which is at rest . Mass 𝑚_1 , after the collision will move at right angle to the joining centers of two spheres at the time of collision , assuming colliding surfaces are smooth , if the coefficient of restitution is