this post was submitted on 24 Feb 2024
162 points (95.0% liked)

Futurology

1801 readers
64 users here now

founded 1 year ago
MODERATORS
voidx@futurology.today
Lugh@futurology.today
Espiritdescali@futurology.today
AwesomeLowlander@futurology.today
162
China's hyperloop maglev train has achieved the fastest speed ever for a train at 623 km/h, as it prepares to test at up to 1,000 km/h in a 60km long hyperloop test tunnel. (robbreport.com)
submitted 9 months ago by Lugh@futurology.today to c/futurology@futurology.today
40 comments fedilink hide all child comments
you are viewing a single comment's thread
view the rest of the comments
[โ€“] GbyBE@discuss.tchncs.de 1 points 9 months ago (1 children)

Did you also factor in that the train needs to come to a full stop in that 2km as well?

[โ€“] LostXOR@kbin.social 1 points 9 months ago* (last edited 9 months ago)

Yes, I calculated the acceleration required to accelerate to 387MPH (173m/s) in 1km.
v^2 = 2ax
(173m/s)^2 = 2a(1000m)
a = 14.96m/s^2 = 1.53g