Intro to Conservation of Momentum Video Lessons

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Problem: When we say that momentum is "conserved," we mean A) The momentum of an object is the same before and after a collision. B) The momentum of the universe increases; it never decreases. C) The momentum of an isolated system is constant. D) If there are no forces acting on an object, its momentum is zero.

FREE Expert Solution

Impulse:

J=F·t = m·v=p

The change in the momentum of a system is called impulse. 

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Problem Details

When we say that momentum is "conserved," we mean 

A) The momentum of an object is the same before and after a collision. 

B) The momentum of the universe increases; it never decreases. 

C) The momentum of an isolated system is constant. 

D) If there are no forces acting on an object, its momentum is zero.

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