Question

1. Classify the following collisions as elastic or inelastic. Explain your reasoning.

   1. (a) A truck rear-ends a car at a red light. The truck and car both skid to a stop together.

   2. (b) Alice runs and tackles Bob to the ground.

   3. (c) A clay ball is dropped on the ground

   4. (d) Two identical billiards balls are moving along the table at different velocities. Once catches up to the other, and the velocity of each ball switches.

Answer 1

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