Two objects havingmasses of 5 kg and 10 kghave initial velocities of 2m/sec in the +x direction and1 m/sec in the +y directionrespectively. After collisionthey stick together and moveat an angle of 45° to the xaxis. Their combined finalvelocity is

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Two objects havingmasses of 5 kg and 10 kghave initial velocities of 2m/sec in the +x direction and1 m/sec in the +y directionrespectively. After collisionthey stick together and moveat an angle of 45° to the xaxis. Their combined finalvelocity is