7 ms·
It would be perpetual motion, but momentum and energy would remain the same. Both depend on mass (so negative mass accelerating creates negative momentum and en
by jon_richards 8y ago
It would be perpetual motion, but momentum and energy would remain the same. Both depend on mass (so negative mass accelerating creates negative momentum and energy).
- skykooler 8y agoThat's an interesting point. Thank you!