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Unformatted text preview: Chapter 10 Collisions o A collision is elastic if there is no change in internal energy of the interacting objects, so o In an inelastic collision, the internal energy of the objects in the system changes, so , however total momentum does not change because momentum must be conserved o If the collision is elastic, cart 2 moves with the speed cart 1 used to have, and cart one comes to a stop o If the collision is inelastic, the carts stick together and move with half the original speed o If the system is chosen as everything, therefore leaving nothing as the surroundings, then . o During a collision, the momentum of a system stays constant and it can therefore be concluded that . o When solving for internal energy, keep in mind ....
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