g traveling horizontally just before the collision bounces off the block as shown in the diagram, looking down from above. We take the plane of the motion to be the xy plane (with z pointing outward, toward the viewer). 1.8 kg < 70, 30, 0 > m/s 0.006 kg < 40, –20, 0 > m/s What is the velocity of the block of copper just after the collision? Start from a fundamental principle, and show all your work. Your answer must be a 3-component vector.

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