A Car Traveling at a Steady 20 M/s Rounds an 80-M

question 66

Multiple Choice

A car traveling at a steady 20 m/s rounds an 80-m radius horizontal unbanked curve with the tires on the verge of slipping.What is the maximum speed with which this car can round a second unbanked curve of radius 320 m if the coefficient of static friction between the car's tires and the road surface is the same in both cases?

• A)160 m/s
• B)80 m/s
• C)70 m/s
• D)40 m/s
• E)30 m/s

---

Definitions:

Random Sample

A method of selecting a subset of individuals from a population in such a way that every individual has an equal probability of being chosen.

Sample of Convenience

A sample of convenience is a collection of subjects or units chosen based on their easy availability and proximity to the researcher.

Demand Characteristics

Subtle cues or signals in an experimental environment that influence the participants' behavior or responses.

Debriefing

A process of explaining the purposes and methods of a completed procedure or experiment to its participants.