Two objects and have masses 0.6 kg and 1.4 kg respectively. They are moving towards each other in opposite directions in a straight line on a smooth horizontal plane. The objects collide directly and coalesce to form an object . Immediately before the collision, is moving with speed 8 m s-1 and is moving with speed 6 m s-1.
By modelling the objects as particles, find the speed and direction of motion of after the collision.
At the instance that object is moving with speed , the magnitude of its momentum is 13 N s.
Find the value of .
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