Question
(a) Calculate the minimum coefficient of friction needed for a car to negotiate an unbanked 50.0 m radius curve at 30.0 m/ s. (b) What is unreasonable about the result? (c) Which premises are unreasonable or inconsistent?
1. $1.84$
2. $1.84$ significantly exceeds the accepted value of 1.0 for rubber on dry concrete.
3. It is not reasonable to take an unbanked curve so fast.
Solution Video