On wet pavement, the coefficient of kinetic friction may be only 0.25. How fast

Question

On wet pavement, the coefficient of kinetic friction may be only 0.25. How fast should you drive on wet pavement in order to be able to stop in the same distance as in part A? (Note:Locking the brakes isnotthe safest way to stop.) If the coefficient of kinetic friction between tires and dry pavement is0.88, what is the shortest distance in which you can stop an automobile by locking the brakes when traveling at29.8m/s? On wet pavement, the coefficient of kinetic friction may be only 0.25. How fast should you drive on wet pavement in order to be able to stop in the same distance as in part A? (Note:Locking the brakes isnotthe safest way to stop.)

Explanation / Answer

a) Shortest distance = 51.49 m b) Speed = 15.88 m/s

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