Unit 6: Conservation of Momentum TEST 1. A bowling ball with a mass of 3000 g, a billiard ball with a mass of 500 g, a soccer ball with a mass of 800 g momentum? and a beach ball with a mass of 200 g are all moving with the same velocity. Which object has the least A. Bowling ball B. Billiard ball Soccer ball D. Beach ball 50 kg 40 kg 2. At an amusement park, a 50 kg bumper car moving very quickly has a perfectly elastic collision with a 40 kg car bumper moving very slowly. Which of the following statements must be true? A. The momentum of both bumper cars before the collision is equal. B. The momentum of each bumper car after the collision is equal to the momentum it had before the collision. C. The total momentum of the bumper cars before the collision is greater than the total momentum of the bumper cars after the collision. . The total momentum of the bumper cars before the interaction equals the total momentum of the bumper cars after the collision. 3. Impulse, FAt, is best related to which of the following? A. Momentum B. Change in Momentum C. Kinetic Energy D. Change in Kinetic Energy 4. During a collision, an 840-kilogram car moving at 24 meters per second is brought to rest by a concrete barrier in 1.2 seconds. What is the magnitude of the force acting on the car? A. 700 N of boy neug of best B. 8,200 N C. 16,800 N D. 20,000 N V8Go.0 3