Two cars collide in-elastically and stick together after the collision. Before the collision, the magnitudes of their
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Two cars collide in-elastically and stick together after the collision. Before the collision, the magnitudes of their momenta are p 1 and p 2 . After the collision, the magnitude of their combined momentum is p. Of what can one be certain?
Choices:
1. P 1 + P 2 ≥ p ≥ √(P 1 P 2 )
2. P 1 + P 2 ≥ p ≥ (P 1 + P 2 )/2
3. P 1 + P 2 ≥ p ≥ √|P 1 – P 2 |
4. P 1 + P 2 ≥ p ≥ √(P 1 ^ 2 + P 2 ^ 2)
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