I think the longest rollercoaster is 1 mile , 951 yards. Well, according to The Yardstick Original Bubblegum.
128 mph
45mph
kingda ka (six flags great adventure)
Of course not!!
yes you can die in a rollercoaster.
montaña rusa
well you need lots of space and money. then a contractor and roller coaster parts.
Yes,he loves rollercoatsers
Gravity Drag Friction Propelling force
no one knows
Money, dentures, jewellery...
there is a big chain that pulls the cart - like a conveyor belt
Brakes, either using friction or magnets, are used to slow down or stop the train usally at the end of a roller coaster ride.