5.65.6 kg block is travelling rightwards with speed 12.812.8 m/s. It collides with 3.23.2 kg which is travelling 22 m/s leftwards. After the collision, the 3.23.2 kg block travels 8.58.5 m/s rightwards. What is the velocity of the 5.65.6 kg block? Treat the leftward direction as the negativ

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