Sample 2-D Collision

Consider a collision between two pucks on a frictionless airhockey table. Puck 1 has a mass of 350 g and an initial velocity of2.5 m/s in the +x direction. Puck 2 has a mass of 510 g and isinitially at rest.

After the collision puck 1 has been deflected by 30 degrees andhas a speed of 1.7 m/s. What is the speed and direction of puck 2after the collision?

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