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Yesterday, 19:12

When two objects collide and stick together, what will happen to their speed, assuming momentum is conserved?

They will move at the same velocity as whichever object was fastest initially.

They will move at the same velocity of whichever object was slowest initially.

They will move more quickly.

They will move more slowly.

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Answers (2)
  1. Yesterday, 20:02
    0
    they will move slowly
  2. Yesterday, 21:27
    0
    They will move at the same velocity as whichever object was fastest initially.

    Explanation:

    If the two objects stick together after the collision and move with a common velocity, then the collision is said to be perfectly inelastic.

    The momentum of course will be conserved, both the object will stick together and move together with a speed which will be more than the initial speed of the heavier body but lower than the initial speed of the lighter body in the same direction as they were moving before.
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