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AP Physics C: Mechanics
4.4 Elastic and Inelastic Collisions
4.3 Conservation of Linear Momentum
BeginnerMCQMathematical22.6k
Initial state of the two-cart system before the collision.
Initial state of the two-cart system before the collision.
A cart of mass \(M\) moves with initial speed \(v_0\) along a horizontal frictionless track toward an identical cart of mass \(M\) that is initially at rest. The two carts collide and stick together. What is the ratio of the total kinetic energy of the two-cart system after the collision to the total kinetic energy of the system before the collision, \(\dfrac{K_f}{K_i}\)?

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