Classical Dynamics of Particles and Systems
5th Edition
ISBN: 9780534408961
Author: Stephen T. Thornton, Jerry B. Marion
Publisher: Cengage Learning
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Before attempting any two-dimensional relativistic collisions, do this classical (i.e., non-
relativistic) two-dimensional collision problem:
Two balls collide elastically. Ball 1 has a mass of 0.70 kg and an initial velocity of 10 m/s
in the +x-direction. Ball 2 has a mass of 0.90 kg and is initially stationary. After the
collision, ball 1 is moving at a 30° angle above the horizontal. Find the speeds of each
ball and the direction of ball 2 after the collision.
Two particles approach each other with equal and opposite speed, v. The mass of one particle is m, and the mass of the other particle is nm, where n is just a unitless number. Snapshots of the system before, during, and after the elastic collision are shown.
After the collision, the first particle moves in the exact opposite direction with speed 0.750v, and the speed of the second particle, vnm,final , is unknown.
What is the value of n?
Two balls of unequal masses, moving in opposite directions with equal speeds collide elastically. Thereafter, the heavier particle is observed deviated from its original direction of motion by an angle α=30 in the laboratory frame and by an angle β=60 in the centre of mass frame. How many times of the mass of lighter ball is the mass of heavier ball?
question given in the image attached as well
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