A highly elastic ball moving at a speed of 3m/s approaches a wall moving towards it with a speed of 3m/s. After the collision
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A highly elastic ball moving at a speed of 3m/s approaches a wall moving towards it with a speed of 3m/s. After the collision, the speed of the ball will be A highly elastic ball moving at a speed of 3m/s approaches a wall moving towards it with a speed of 3m/s. After the collision [...]