They are more safe than cars because of lap restraints and multiple wheels to allow the cart to go upside down.
But "freak accidents" do happen.
Very rarely though.
They are safe if you ride safely. I heard of these two teenage boys that dared each other to unbuckle and switch seats with each other at the part where you first go up and up at the top where it stops. But... they both fell. So there's your lesson on roller coaster safety! :)
Roller Coasters have about a 00.2% chance of crashing. That is because they are engineered for about 3 months.
The noun 'roller coaster' has no standard collective noun since most roller coasters are not in a group. However, a collective noun is an informal part of language. Any noun the fits the situation can function as a collective noun; for example, a scream of roller coasters, a maze of roller coasters, a park of roller coasters, a tour of roller coasters, etc.
Actually, you can breath on roller coasters.
well a good sand blasting and a paint job improves the conditions of roller coasters around the U.S.A. but the paint has to be specially ordered from the companies that own the coasters.
Yes, there are roller coasters at Wisconsin Dells.
There is 4 roller coasters. Aftershock, Timber Terror, Tremors and the Corkscrew. Which all of the roller coasters are awesome!!!!!!!
A website I always go to for my info on roller coasters is ultimaterollercoaster.com
California has the most roller coasters with 78.
Well roller coasters can range from $10,000 to 2.5 millions dollars.
Roller coasters are designed by mechanical engineers, not scientists.
two
roller coasters smell like oil and metal or wood or what they are made out of.
Yes there is a whole category on WikiAnswers that has questions on roller coasters.