on a highway curve with radius 42 m, the maximum force of static friction (centripetal force) that can act on a 1,123 kg car going around the curve is 8,127 N.  A. what is the magnitude and direction of child's acceleration? B. what is the acceleration in g's  C. what speed limit should be posted for the curve so that cars can negotiate it safely

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Chapter6: Uniform Circular Motion And Gravitation
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on a highway curve with radius 42 m, the maximum force of static friction (centripetal force) that can act on a 1,123 kg car going around the curve is 8,127 N. 

A. what is the magnitude and direction of child's acceleration?

B. what is the acceleration in g's 

C. what speed limit should be posted for the curve so that cars can negotiate it safely 

Expert Solution
Step 1

Radius of the highway curve is R = 42 m

Mass of the car is m = 1123 kg

Centripetal force acting on the car is F = 8127 N

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