Assertion: momentum's momentum | /r/SimilarTo | the total after—
Facets:
value: after —
type: TEMPORAL
Source sentences:
text: With this convention, two people of equal mass coming together from opposite directions at the same speed would have total momentum zero, so if they came to a complete halt after meeting, as described above, the total momentum before the collision would be the same as the total after—that is, zero—and momentum would be conserved.