A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200-kg puck has a speed of 1.00 m/s at an angle of 0 = 49.0° to the positive x axis (see the figure below). Before the collision After the collision f sin e Vy cos 0 Uag cos Ø Uef sin ø

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