Answered: Figure P6.26 Problems 26 and 27.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 16PQ

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Disturbed by speeding cars outside his workplace, Nobel laureate Arthur
Holly Compton designed a speed bump (called the “Holly hump”) and had
it installed. Suppose a 1 800-kg car passes over a hump in a roadway that follows the arc of a circle of radius 20.4 m as shown. (a) If the car travels at
30.0 km/h, what force does the road exert on the car as the car passes the highest point of the hump? (b) What If? What is the maximum speed the car can have without losing contact with the road as it passes this highest point?

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