The Curved Section of a Horizontal Highway Is a Circular

question 7

Multiple Choice

The curved section of a horizontal highway is a circular unbanked arc of radius 740 m.If the coefficient of static friction between this roadway and typical tires is 0.40,what would be the maximum safe driving speed for this horizontal curved section of highway?

• A)54 m/s
• B)52 m/s
• C)50 m/s
• D)48 m/s
• E)46 m/s

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Definitions:

Preoperational

A stage in Piaget's theory of cognitive development, typically from ages 2 to 7, where children begin to engage in symbolic play and struggle with logic and taking the perspective of others.

Postformal Operational

A stage of cognitive development proposed to follow Piaget's formal operational stage, characterized by the ability to deal with complex, ambiguous, and contradictory information.

Personal Fable

A manifestation of adolescent egocentrism in which adolescents believe their thoughts, feelings, and experiences are more special and unique than anyone else’s, as well as the sense that they are invulnerable.

Imaginary Audience

A manifestation of adolescent egocentrism in which they assume that they are the focus of others’ attention.