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27 Nov 2019

A car is traveling at 40.4 km/hr on flat highway. If the coefficient of friction between road and tires on a rainy day is 0.117, what is the minimum distance in which the car will stop? What is the stopping distance when the surface is dry and the coefficient of friction is 0.576?

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

(a) Show the minimum stopping distance for an automobile traveling at speed v is equal to v^2/2µg, where µ is the coefficient of static friction between the tires and the road, and g is the acceleration of gravity. (b) what is this distance for a 1500kg car traveling at 90km/h if µ=.85? (c) Would it be the same if the car were on the moon but everything else stayed the same?

(a) Find the maximum rate of deceleration of a car on a dry, levelroad, assuming the coefficient of static friction between tires andpavement equals 1.4.


(b) Find the minimum stopping distance if the car has an initialspeed of 25.7 m/s.


(c) Repeat parts (a) and (b) assuming a wet, oily surface for whichµs = 0.12.

maximum rate of acceleration:

minimum stopping distance:

A Banked circular highway curve is designed for traffic moving at 60km/h. The radius of the curve is 200m. Traffic is moving along the highway at 40 km/hr on a rainy day. What is the minimum coefficient of friction between tired and road that will allow cars to take the turn without sliding off the road? (Assume the cars do not have negative lift; curious to know what is negative lift?, a wiki search on car handling will help.)

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