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

question 77

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

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Definitions:

Aboveground

Pertaining to or situated on the surface of the earth; not underground or underwater.

Sexual Spore

A reproductive structure in fungi and some plants formed by the fusion of two distinct parent cells, leading to genetic recombination and variation.

Club-Shaped

A term describing an object, organ, or structure that is broader or round at one end and tapers towards the other end, similar to the shape of a club.

Basidia

Specialized spore-producing cells found in the reproductive structures of basidiomycete fungi.