11. Momentum & Impulse
Elastic Collisions
11. Momentum & Impulse
Elastic Collisions
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- Textbook Question
(III) Two billiard balls in contact with each other are struck by a third ball moving at 5.5 m/s as shown in Fig. 9–46a. If both of the first two balls move after the collision at an angle of 32° to the initial path of the third ball (Fig. 9–46b), find the velocities of all three balls after the collision. Assume all balls have the same mass, and the collision is elastic.
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342views - Textbook QuestionA white ball traveling at 2.0 m/s hits an equal-mass red ball at rest. The white ball is deflected by 25°and slowed to 1.5 m/s. b. What percentage of the initial mechanical energy is lost in the collision?933views
- Textbook QuestionTwo objects collide and bounce apart. FIGURE EX11.31 shows the initial momenta of both and the final momentum of object 2. What is the final momentum of object 1? Write your answer using unit vectors.941views
- Textbook QuestionA proton is traveling to the right at 2.0 x 10^7 m/s. It has a head-on perfectly elastic collision with a carbon atom. The mass of the carbon atom is 12 times the mass of the proton. What are the speed and direction of each after the collision?881views