A level curve on a country road has a radius of 120 m. What is the maximum speed at which this curve can be safely negotiated when the coefficient of friction between tire and road is 0.4? Mass of the car is 1000 kg. O 21.7 m/s 17.1 m/s O 6.93 m/s 30.5 m/s

A level curve on a country road has a radius of 120 m. What is the maximum speed at which this curve can be safely negotiated when the coefficient of friction between tire and road is 0.4? Mass of the car is 1000 kg. O 21.7 m/s 17.1 m/s O 6.93 m/s 30.5 m/s

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

A level curve on a country road has a radius of 120 m. What is the maximum speed at which this curve can be safely
negotiated when the coefficient of friction between tire and road is 0.4? Mass of the car is 1000 kg.
21.7 m/s
17.1 m/s
6.93 m/s
30.5 m/s
470.7 m/s

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