A road safety problem. A corner in a flat road has a constant radius of r = 25 m. Air resistance and rolling resistance are zero. (Hey, I want a car like that!), and the car is travelling at constant speed. What is the maximum speed our car can go round this corner without skidding? For a reasonably clean, dry road, take the coefficients of static and kinetic friction to be us = 1.0 and µz = 0.80. Hint: What horizontal force is acting on the car? Maximum speed. kph Enter answer here
A road safety problem. A corner in a flat road has a constant radius of r = 25 m. Air resistance and rolling resistance are zero. (Hey, I want a car like that!), and the car is travelling at constant speed. What is the maximum speed our car can go round this corner without skidding? For a reasonably clean, dry road, take the coefficients of static and kinetic friction to be us = 1.0 and µz = 0.80. Hint: What horizontal force is acting on the car? Maximum speed. kph Enter answer here
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Transcribed Image Text:A road safety problem. A corner in a flat road has a constant radius of r = 25 m. Air resistance and rolling resistance are
zero. (Hey, I want a car like that!), and the car is travelling at constant speed.
What is the maximum speed our car can go round this corner without skidding? For a reasonably clean, dry road, take the
coefficients of static and kinetic friction to be µs = 1.0 and Hk =
0.80. Hint: What horizontal force is acting on the car?
Maximum speed
kph
Enter answer here
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