5 ms·
Monetary cost, sure. What about the cost on the environment to slow the train down and bring it back up to speed?
by canthonytucci 11y ago
Monetary cost, sure. What about the cost on the environment to slow the train down and bring it back up to speed?
- deleted 11y ago[deleted]
- kalleboo 11y agoWay less than the cost to the environment of her parents driving her to school in a car
- TeMPOraL 11y agoAnd definitely safer, too.
- Gibbon1 11y agoI'm guessing very small train, probably 30ton weight. Max speed 33m/s. So accelerating 30,000 kg to 33m/s... what E = 1/2 * 30000 * 33^2 = 16335000J or 4.5kwhr at $0.20 kwhr that's about $0.90 in electricity costs.