TimeRip496 Messages 249 Reaction score 5 Thread starter Sep 1, 2015 #1 I know object need energy to move through space or time (rest energy) but what about momentum?
Nugatory Mentor Messages 15,557 Reaction score 10,824 Sep 1, 2015 #2 TimeRip496 said: I know object need energy to move through space or time (rest energy) but what about momentum? Google for "four-momentum".
TimeRip496 said: I know object need energy to move through space or time (rest energy) but what about momentum? Google for "four-momentum".