3 ms·
It doesn't need to be a standing wave, it doesn't need to be from LA - NY (it only needs to be the length of the train), and it doesn't need to be in an enclose
by ethanbond 13y ago
It doesn't need to be a standing wave, it doesn't need to be from LA - NY (it only needs to be the length of the train), and it doesn't need to be in an enclosed tube.