▲ 66 ▼ Chinese Maglev test vehicle sets world record, accelerating from 0 to 318 MPH in 2 seconds (www.youtube.com) submitted 7 months ago* by noumenon@lemmy.world to c/videos@lemmy.world 34 comments fedilink hide all child comments
[–] Jerb322@lemmy.world 2 points 7 months ago (1 child) How far did it travel in that 2 seconds? permalink fedilink source hideshow 2 child comments replies: [–] Royy@lemmy.world 5 points 7 months ago If acceleration were constant (and my math is right), it would be 194m. We can assume due to air resistance being proportional to the square of the speed that acceleration will be more initially and less later, so realistically it will be >194m permalink fedilink source parent
[–] Royy@lemmy.world 5 points 7 months ago If acceleration were constant (and my math is right), it would be 194m. We can assume due to air resistance being proportional to the square of the speed that acceleration will be more initially and less later, so realistically it will be >194m permalink fedilink source parent