Elastic and Inelastic Collisions

AP Physics 1· difficulty 3/5

Two carts of equal mass moving toward each other at ±v\pm v collide elastically (1-D). Their final velocities are

  • A

    Swap: v-v and +v+v

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  • B

    Both at 00

  • C

    Both at +v+v

  • D

    Both at v-v

Explanation

Equal-mass elastic collision: velocities exchange. Each comes out with the other's incoming velocity.

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