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23 Nov 2019

car enters a curved racetrackof radius 50m. The coefficient static friction between tires and road is .2. What is the max. speed the racecar can safely negotiate the curve? (unbanked)

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Nelly Stracke
Nelly StrackeLv2
4 May 2019

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Related textbook solutions

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

Related questions

A car rounds an unbanked curve of radius 60 m. If the coefficient of static friction between the road and car is 0.66, then answer the following questions. 

(a) What force provides centripetal force?

    • weight of the car
    • normal force on the car from the road
    • force of static friction 

(b) What is the maximum speed at which the car transverse the curve without slipping? 

Banked curves are designed so that the radial component of the normal force on the car rounding the curve provides the centripetal force required to execute uniform circular motion and safely negotiate the curve. A car rounds a banked curve with banking angle θ = 22.0° and a radius of curvature 150 m.
a. If the coefficient of static friction between the car’s tires and the road is μs = 0.400, what is the range of speeds for which the car can safely negotiate the turn without slipping?
b. What is the minimum value of μs for which the car’s minimum safe speed is zero? Note that friction points up the incline here.
 

Banked curves are designed so that the radial component of the normal force on the car rounding the curve provides the centripetal force required to execute uniform circular motion and safely negotiate the curve. A car rounds a banked curve with banking angle θ = 22.0° and radius of curvature 150 m. a. If the coefficient of static friction between the car’s tires and the road is μs = 0.400, what is the range of speeds for which the car can safely negotiate the turn without slipping? b. What is the minimum value of μs for which the car’s minimum safe speed is zero? Note that friction points up the incline here.



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