1.

3) muA ball moving with velocity of 9m/s collides withanother similar stationary ball. After the collisionboth the balls move in directions making an angle of30 with the initial direction. After the collision theirspeed will be(1) 2.6 m/s(3) 0-52 m/s(2) 5.2 m/s(4) 52 m/s

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