1. Given a 5.9-kg bowling ball moving at11.5-m/s what's its Momentum??? 2. A 11784-kg railroad car, A, traveling at a speed 33.6-m/s of strikes a 9115-kg car, B, going 23.8-m/s in the same direction. If the cars lock together as a result of the collision, what is their common speed just afterward? 3. For a top player, a tennis ball may leave the racket on the serve with a speed of 53.4-m/s, If the ball has a mass of 0.0587-kg and is in contact with the racket for about 3.81 ms (3.81 x 10-3s) estimate the average force on the ball. 4. Small thruster rockets can be used to make fine adjustments in satellite orbits. One such rocket has a thrust of 39.6-N. If it is fired to change the velocity of a 72760-kg satellite by 61.8-cm/s, how long should it be fired? 5. A 10156-kg railroad car, A, traveling at a speed 25.9-m/s of strikes a 11863-kg car, B, going 28.8-m/s in the opposite direction. If the cars lock together as a result of the collision, what is their common speed just afterward? 6. A proton (p) of mass 1.68-u(unified atomic mass units) traveling with a speed 2.91 x 104 m/s of has an elastic head-on collision with a helium (He) nucleus (mHe = 4.00 u) initially at rest. What is the velocity of helium nucleus after the collision? Assume the collision takes place in nearly empty space. 7. A proton (p) of mass 2.03-u(unified atomic mass units) traveling with a speed 2.76 x 104 m/s of has an elastic head-on collision with a helium (He) nucleus (mHe = 4.00 u) initially at rest. What is the velocity of helium nucleus after the collision? Assume the collision takes place in nearly empty space. 8. Two balls are set to collide on a single track. Ball1 has a mass of 2.13-kg and a velocity of 3.27-m/s Ball2 has a mass of 2.67-kg and a velocity of 1.27-m/s (NOT HEAD ON) After their elastic collision Ball1 is moving at 3.99-m/s in the opposite direction. How fast is Ball2 Moving? 9. Two balls are set to collide on a single track. Ball1 has a mass of 1.13-kg and a velocity of 3.27-m/s Ball2 has a mass of 2.67-kg and a velocity of 1.27-m/s After their elastic collision Ball1 is moving at 1.86-m/s in the opposite direction. How fast is Ball2 Moving? 10. Before a collision, a 34-kg object is moving at 11.3-m/s to the right. Find the impulse that acted on the object if, after the collision, if the object moves 11.1-m/s to the right. 11. Before a collision, a 26-kg object is moving at 14.9-m/s to the right. Find the impulse that acted on the object if, after the collision, if the object moves 13.7-m/s to the left. 12. Small thruster rockets can be used to make fine adjustments in satellite orbits. One such rocket has a thrust of 38.4-N. If it is fired to change the velocity of a 72426-kg satellite by 74.0-cm/s, how long should it be fired? 13. Calculate the recoil velocity of an 5.3-kg rifle that shoots a 0.024-kg bullet at a speed of 632-m/s