A billiard ball of mass m = 0.150 kg hits the cushion of a billiard table at an angle of ?1 = 52.0° at a speed of v1 = 3.00 m/s. It bounces off at an angle of ?2 = 63.0° and a speed of v2 = 2.10 m/s. a) What is the magnitude of the change in momentum of the billiard ball? b) In which direction does the change of momentum vector point? (Take the x-axis along the cushion and specify your answer in degrees.)

A billiard ball of mass m = 0.150 kg hits the cushion of a billiard table at an angle of ?1 = 52.0° at a speed of v1 = 3.00 m/s. It bounces off at an angle of ?2 = 63.0° and a speed of v2 = 2.10 m/s. a) What is the magnitude of the change in momentum of the billiard ball? b) In which direction does the change of momentum vector point? (Take the x-axis along the cushion and specify your answer in degrees.)