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10 August, 06:07

If momentum is conserved, what happened to velocity when mass changes?

A. Velocity stays the same.

B. Velocity always increases.

C. Velocity always decreases.

D. Velocity changes.

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Answers (1)
  1. 10 August, 08:43
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    The momentum of an object is given in terms of its mass and its velocity. The law of conservation of momentum says that the net momentum of a system remains conserved for an isolated system.

    Momentum is given by:

    p = m * v

    If p is conserved, velocity is inversely proportional to the mass of an object. When mass changes, velocity also changes but inversely.
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