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Two objects collide on a frictionless surface. Object A with a mass of 200g is moving...

Two objects collide on a frictionless surface. Object A with a mass of 200g is moving in the positive x−direction with a speed of 1.0ms while object B, with a mass of 250g, is at rest. After the collision object B is seen to have a speed of 0.40ms at an angle of 36.87◦ with respect to the positive x−axis. Find the magnitude and direction of the object A after the collision. Find the kinetic energy of the system before and after the collision.

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