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# A body A of mass 1.5kg, travelling along the positive x-axis with speed 4.5m/s, collides with another body B of mass 3.2kg which, initially, is at rest. Because of the collision, A is deflected and m

A body A of mass 1.5kg, travelling along the positive x-axis with speed 4.5m/s, collides with

another body B of mass 3.2kg which, initially, is at rest. Because of the collision, A is deflected and moves

with a speed 2.1m/s in a direction which is at angle 30° below the x-axis. B is set in motion at an angle θ

above the x-axis. Calculate the velocity of B after the collision.