Assertion: system momentum | /r/HasProperty | 60000 kg*m/s
Facets:
Source sentences:
text: Before the collision, the momentum of the truck is 60000 kg*m/s and the momentum of the car is 0 kg*m/s; the total system momentum is 60000 kg*m/s.
text: After the collision, the momentum of the truck is 30000 kg*m/s and the momentum of the car is 30000 kg*m/s; the total system momentum is 60000 kg*m/s.