3. Ball A and ball B roll, in the same direction, with the following masses and initial speeds: mA = 5 kg, mB = 10 kg, vA = 4 m/s and vB = 2 m/s. After ball A collides with ball B it moves in the opposite direction with a speed of vA = 1 m/s. Determine the direction and speed of ball B after the collision.
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3. Ball A and ball B roll, in the same direction, with the following masses and initial speeds: mA =...
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