Physics, 05.02.2021 21:10 janiyahlanae66

When we say that momentum is "conserved," we mean 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. If there are no forces acting on an object, its momentum is zero.
d. The momentum of an isolated system is constant.

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