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An object with mass 4.0 kg is sliding on a horizontal, frictionless surface at speed 11.5...

An object with mass 4.0 kg is sliding on a horizontal, frictionless surface at speed 11.5 m/s. This object is moving in the positive x-direction. A second object, having mass 5.55 kg, is sliding on the same surface at speed 15.5 m/s. The second object is moving in a direction 75 degrees counterclockwise from the positive x-direction. If the objects stick after impact how fast would it move?

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Answer #1

The  figure is roughly not drawn by scale it is not mention where objects are collide.

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