Question: Consider a relativistic air track on which two identical air carts undergo a completely inelastic collision. One cart is initially at rest; the other has

Consider a "relativistic air track" on which two identical air carts undergo a completely inelastic collision. One cart is initially at rest; the other has an initial speed of 0.650c.
(a) In classical physics, the speed of the carts after the collision would be 0.325c. Do you expect the final speed in this relativistic collision to be greater than or less than 0.325c? Explain.
(b) Use relativistic momentum conservation to find the speed of the carts after they collide and stick together?

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