Is car Mass or Track Height More Important for a Good Roller Coaster?
Most recent answer: 01/20/2015
- Tyler (age 18)
Columbus, OH, USA
Actually, just going by simple energy conversion, the mass of the car has no effect at all! While it's true that increasing mass does increase potential energy (PE=mgh), we must also remember that the kinetic energy of the car depends on mass as well (KE=mv2/2). That means making a car more massive also makes it harder to move, and it won't be able to go as fast! Even having a detachable mass wouldn't work, because when the mass breaks off from the car, it also takes its kinetic energy with it, meaning that the car gets nothing out of the deal. Making the first hill taller, however, will improve your roller coaster and allow your car to go over the second hill.
Matt Z.
p.s. There might be a little effect of mass when you take into account air friction, but the basics are just what Matt said./ mw
(published on 01/20/2015)