Problem Statement: ME Board October 1996
An automobile travels on a perfectly horizontal, unbanked circular track of radius R. The coefficient of friction between the tires and track is 0.3. If the car’s velocity is 15 m/s, what is the smallest radius it may travel without skidding?
- A. 68.4 m
- B. 69.4 m
- C. 71.6 m
- D. 76.5 m
The smallest radius that an automobile may travel without skidding is 76.5 m.
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