A spherical imperfectly elastic ball strikes a plane with a velocity 8 m/s at an angle 30^(@)to the plane. Determine the magnitude and direction of the velocity after the impact, if e = 0.5 (Neglect gravity).

A spherical imperfectly elastic ball strikes a plane with a velocity 8

1.	A spherical imperfectly elastic ball strikes a plane with a velocity 8 m/s at an angle 30^(@)to the plane. Determine the magnitude and direction of the velocity after the impact, if e = 0.5 (Neglect gravity).
Answer» Answer :`alpha = TAN ^(-1) (2 SQRT2)`