vi = 8 m/s A vi = 16 m/s Objects A and B (Mass A = 6kg, Mass B = 4kg) have a head-on collision as shown. Immediately before the collision, Object A has a velocity of 8 m/s to the right, and Object B has a velocity 16 m/s to the left. Immediately after the collision, Object A has a velocity 4 m/s to the left. What is the magnitude and direction of the velocity of Object B ilmmediately after the collision?

2 balls collide head-on in an elastic collision. One ball has a mass of 4.0 kg and an initial velocity of 6.5 m/s. The second ball has a mass of 2.0 kg and its initial velocity is unknown. AFTER the collision the heavier ball has a velocity of 2.5 m/s. What is the velocity of the lighter ball before and after the collision?

A billiard ball is moving in the x-direction at 30.0 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm/s. As a result of the collision, the first ball moves at 50.0 cm/s, and the second ball stops. What is the change in kinetic energy of the system as a result of the collision?

A 7-kg object moving with a velocity of 5 m/s in the positive x direction strikes and sticks to a 2-kg object moving with a speed of 1 m/s in the same direction. What is their speed after the collision?

Answer parts d, e and f

A 5-kg object moving with a velocity of 8 m/s in the positive x direction strikes and sticks to a 3-kg object moving with a speed of 3 m/s in the opposite direction. What is their speed after the collision?

A 17.8 kg sled is sitting at rest on level ice, and this sled is hit by another sled that is twice as massive. After the collision, the sleds stick together and move off at 6.3 m/s. How fast was the larger sled initially moving just before the collision?

Two water ballons of 0.5kg collide and bounce off each other. Before the collision, one water ballon moved east at a speed of 2.5 m/s. After the collision one moves west at a speed of 1.5m/s. What is the velocity of the other water ballon? 1.5 m/s west1.5 m/s east1 m/s west1m/s east

An object with a mass of 8.00 g is moving to the right at 14.0 cm/s when it is overtaken by an object with a mass of 25.0 g moving in the same direction with a speed of 17.0 cm/s. If the collision is elastic, determine the speed of each object after the collision in centimeters per second. 25.0 g object_______________ cm/s   8.00 g object _______________ cm/s

A 46 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of 1.2 m/s. Her hands are in contact with the wall for 0.80s. What is the MAGNITUDE of the resulting momentum of the skater after she starts moving?