A 0.150-kg baseball traveling with a horizontal speed of 4.50 m/s is hit by a bat and then moves with a speed of 34.7 m/s in the opposite direction. What is the change in the ball’s momentum?
Answer to relevant QuestionsFor a movie scene, a 75-kg stuntman drops from a tree onto a 50-kg sled that is moving on a frozen lake with a velocity of 10 m/s toward the shore. (a) What is the speed of the sled after the stuntman is on board? (b) If ...A ballistic pendulum is a device used to measure the velocity of a projectile— for example, the muzzle velocity of a rifle bullet. The projectile is shot horizontally into, and becomes embedded in, the bob of a pendulum, ...In a high-speed chase, a policeman’s car bumps a criminal’s car directly from behind to get his attention. The policeman’s car is moving at 40.0 m/s to the right and has a total mass of 1800 kg. The criminal’s car is ...A freight car with a mass of 25 000 kg rolls down an inclined track through a vertical distance of 1.5 m. At the bottom of the incline, on a level track, the car collides and couples with an identical freight car that was at ...Rework Exercise 52, using the concept of the center of mass, and compute the distance the other fragment landed from the gun.
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