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

question 90

Multiple Choice

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

---

Definitions:

Pyridine

A basic nitrogen-containing heterocyclic compound, often used as a solvent and starting material in organic synthesis.

Benzene

A simple aromatic hydrocarbon with the formula C6H6, known for its ring structure of six carbon atoms connected by alternating double and single bonds.

Electrophilic Aromatic Substitution

A reaction type in which an electrophile replaces a hydrogen atom on an aromatic ring, often leading to functionalization of the ring.

Pyridine

A basic heterocyclic organic compound with the formula C5H5N, featuring a six-membered ring with one nitrogen atom.