A body of mass 600 g is initially at rest. It is struck by a second body of mass 400g initially moving with a velocity of 125 cm/s toward the right along the x-axis. After the collision, the 400 g body gas a velocity of 100 cm/s at an angle of 37 ° above the x-axis in the first quadrant. Both bodies move on a horizontal frictionless plane. a) What is the magnitude and direction of the velocity of the 600 g body after the collision? b) What is the loss o kinetic energy during the collision?

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