9. A 5-kilogram ball falls 10 meters. What is the change in momentum of the ball during the fall? A 14 kg-m/s B. 50 kg-m/s 70 kg m/s 140 kg m/s c. D. T

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5. What is the magnitude of the momentum of a 12,500-kg truck whose speed is 16.5 m/s? What speed would a 2250-kg SUV need to be moving at for it to have a. the same momentum? b. the same kinetic energy?

44. What is the approximate momentum of a car with a mass of 1.20 × 10 kg and a velocity of 30.0 km/h?A. 13.0 N sB. 40.0 N sC. 3.60 × 10 N sD. 5.40 × 10 N s

7. A 0.05 kg golf ball moving at 40 m/s collides with a 0.75 kg wooden block at rest. The golf ball bounces off the block and travels in the opposite direction at -10 m/s. a. What is the momentum of the golf ball before it collides with the block? b. What is the velocity of the block right after the collision?

If an 18-wheeler truck has a momentum of 15,000 kg m/s , and it is moving down the highway at 2 m/s, what is its mass.  A. 7500 N B. 7500 kg C. 60,000 kg m/s  D. 60,000 kg

1. Determine the momentum of a a. 60-kg halfback moving eastward at 9 m/s. b. 1000-kg car moving northward at 20 m/s. C. 40-kg freshman moving southward at 2 m/s

1. A0.12-kg ball is moving at 6 m's when it is hit by a bat, causing it to reverse direction and have a specd of 14 m/s. What is the magnitude of the change in the momentum of the ball? a. 0.39 kg m's b. 0.42 kg-m's c. 1.3 kg-m's d. 2.4 kg-m's 2. Alex throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5 m/s, and just after is 3.5 m's. What is the magnitude of the change in the ball's momentum? a. 0.09 kg m/s b. 1.5 kg-m/s c. 4.3 kg-m/s d. 126 kg m/s

a. Estimate the speed of an initially at rest 800-kg rocket sled on a horizontal frictionless surface after its engine fires with a thrust of 2.0 x 104 N for 10 s. b. A .06 kg tennis ball hits a wall with a velocity of 30 m/s and rebounds at about the same speed. What is the change in momentum of the ball from before the collision to after? c. A 6-kg bowling ball moving at 3 m/s hits a single 2-kg pin, knocking it forward at 6 m/s. What is the speed of the bowling ball after the collision? d. A 6-kg bowling ball moving at 3 m/s hits a single 2-kg pin, knocking it forward at 6 m/s. If the collision took 0.050 s, what average force was exerted on the pin?

2. An object that has a small mass and an object that has a large mass have the same momentum. Which object has the larger kinetic energy? a. neither, they have the same kinetic energy b. the one with the small mass c. the one with the large mass