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AP Physics 1
4.4 Elastic and Inelastic Collisions
4.3 Conservation of Linear Momentum
IntermediateMCQMathematicalConceptual21.6k
Two carts on a frictionless track immediately before colliding.
Two carts on a frictionless track immediately before colliding.
Cart 1 of mass \(m_1 = 2\text{ kg}\) travels to the right with a speed of \(3\text{ m/s}\) along a horizontal, frictionless track toward Cart 2 of mass \(m_2 = 1\text{ kg}\), which is traveling to the left with a speed of \(4\text{ m/s}\). The two carts collide, after which Cart 1 travels to the left with a speed of \(1\text{ m/s}\) while Cart 2 travels to the right with a speed of \(4\text{ m/s}\). Which of the following correctly pairs how the total linear momentum and the total kinetic energy of the two-cart system after the collision compare to their values before the collision?

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