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AP Physics C: Mechanics
4.3 Conservation of Linear Momentum
4.1 Linear Momentum
IntermediateMCQDrawing RepresentationsMathematicalConceptual21k
Top-down view of the two-puck collision on a frictionless surface.
Top-down view of the two-puck collision on a frictionless surface.
Two identical pucks, labeled 1 and 2, each of mass \(m\), slide on a horizontal, frictionless surface. Puck 1 moves in the \(+x\)-direction with an initial velocity of \(\vec{v}_0 = (4\text{ m/s})\hat{i}\) toward Puck 2, which is initially at rest at the origin. The pucks undergo an off-center collision, after which Puck 1 moves with a velocity of \(\vec{v}_1 = (2\text{ m/s})\hat{i} + (2\text{ m/s})\hat{j}\). Which of the following vector diagrams best represents the velocity vector \(\vec{v}_2\) of Puck 2 immediately after the collision?

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