a roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second Squared to a full stop. Approximately how far does the roller coaster travel during its deceleration?

Question

Anonymous · Accepted Answer

16m

drwls · Answer

The time it takes to stop is Vo/a = 15/7 = 2.143 s The average speed while stopping is Vo/2 = 7.5 m/s Multiply those two numbers to get the distance traveled while decelerating.