ball A is rolled in a straight line with a speed of 5 ms^-1 toward a bigger ball B lying 20 m away. After collision with ball B, ball A retraces path and reaches it's starting point with a speed of 4 ms^-1. What is the average velocity of the ball A during the time interval 0-6 sec?
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After collision with ball B, ball A retraces the path and reaches its starting point with a ... Ball A is rolled in a straight line with a speed of 5ms -1 towards a bigger ball B lying 20m away.
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