A new roller coaster contains a loop-the-loop in which the car and rider are completely upside down. If the radius of the loop is 13.2 m, with what minimum speed must the car traverse the loop so that the rider does not fall out while upside down at the top? Assume the rider is not strapped to the car.
A) 11.4 m/s
B) 12.5 m/s
C) 10.1 m/s
D) 14.9 m/s

Question

Quizplus · Accepted Answer

The minimum speed required at the top of the loop can be found using the formula for centripetal force: v = sqrt(g*r), where g is the acceleration due to gravity (9.8 m/s²) and r is the radius (13.2 m). Plugging in the values, v = sqrt(9.8 * 13.2) = 11.4 m/s.

A New Roller Coaster Contains a Loop-The-Loop in Which the Car