25. D Before attempting this problem, review Examples 7 and 8. Two curves on a highway have the same radii. However, one is un- banked and the other is banked at an angle 0. A car can safely travel along the unbanked curve at a maximum speed vo under conditions when the coefficient of static friction between the tires and the road is µ, = 0.81. The banked curve is frictionless, and the car can nego- tiate it at the same maximum speed v,. Find the angle 0 of the banked curve.

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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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25. D Before attempting this problem, review Examples 7 and 8.
Two curves on a highway have the same radii. However, one is un-
banked and the other is banked at an angle 0. A car can safely travel
along the unbanked curve at a maximum speed vo under conditions
when the coefficient of static friction between the tires and the road
is µ, = 0.81. The banked curve is frictionless, and the car can nego-
tiate it at the same maximum speed v,. Find the angle 0 of the banked
curve.
Transcribed Image Text:25. D Before attempting this problem, review Examples 7 and 8. Two curves on a highway have the same radii. However, one is un- banked and the other is banked at an angle 0. A car can safely travel along the unbanked curve at a maximum speed vo under conditions when the coefficient of static friction between the tires and the road is µ, = 0.81. The banked curve is frictionless, and the car can nego- tiate it at the same maximum speed v,. Find the angle 0 of the banked curve.
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