A mass 6.40 kg is moving toward the left with a velocity of 11.2 m/s when it collides with a second mass 4.60 kg which is initially at rest. After the collision the first mass bounces off to the right of the initial path of motion with a velocity of 9.50 m/sec at an angle of 20.40 degrees while the second mass  bounces off to the left of the original path of motion with a velocity at an angle.  What will be the magnitude of the final velocity of the second mass after the collision? What will be the direction of motion beta of the second massafter the collision? What is the total kinetic energy of the system before the collision? What will be the total kinetic energy of the system after the collision? Was the collision between these two masses elastic or inelastic?

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