In the arrangement of the figure, billiard ball 1 moving at a speed of 1.87 m/s undergoes a glancing collision with identical billiard ball 2 that is at rest. After the collision, ball 2 moves at speed 1.40 m/s, at an angle of 02 = 41.4°. What are (a) the magnitude and (b) the direction (angle 01) of the velocity of ball 1 after the collision? (a) Number i Units (b) Number i Units
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