4 ms·
That's just over four miles of track (21,346 ft.) for the run length of the railcars down that slope. (Thanks, trigonometry!) Now I wonder how fast these railc
by lukateake 10y ago
That's just over four miles of track (21,346 ft.) for the run length of the railcars down that slope. (Thanks, trigonometry!)
Now I wonder how fast these railcars move.