Assertion: coaster's energy | /r/HasProperty | proportional
Facets:
value: to the mass of the cars
type: TRANSITIVE-OBJECT
value: to the height of the hill
type: LOCATION
Source sentences:
text: The total energy of the cars at the top then is just the gravitational potential energy, which is proportional to the mass of the cars and the height of the hill.
text: This energy is proportional to the mass of the cars and the height of the hill.