A curve in a highway has a radius of curvature 120 meters and is banked at 30 , On the day when the road is icy, what is the safest speed to go around the curve? Select one: a. 8.9 m/s b. 5.9 m/s c. 6.9 m/s d. 7.9 m/s e. 9.9 m/s

A curve in a highway has a radius of curvature 120 meters and is banked at 30 , On the day when the road is icy, what is the safest speed to go around the curve? Select one: a. 8.9 m/s b. 5.9 m/s c. 6.9 m/s d. 7.9 m/s e. 9.9 m/s

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 46PQ

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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 curve in a highway has a radius of curvature 120 meters and is banked at 3⁰ , On the day when the road is icy, what is the safest speed to go around the curve?

Select one:

a. 8.9 m/s

b. 5.9 m/s

c. 6.9 m/s

d. 7.9 m/s

e. 9.9 m/s

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