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11.80 A car travels with a steady speed of t over a vertical curve whose radius of curvature is 100 m as shown. If the magnitude of acceleration of the car is not to exceed 0.5g, determine the maximum value of e permitted.

11.80 A car travels with a steady speed of t over a vertical curve whose radius of curvature is 100 m as shown. If the magnitude of acceleration of the car is not to exceed 0.5g, determine the maximum value of e permitted.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Dynamics Question 11.81

 

500 Kinematics of Particles 11.80 A car travels with a steady speed of v over a vertical curve whose radius of curvature is 100 m as shown. If the magnitude of acceleration of the car is not to exceed 0.5g, determine the maximum value of v permitted. 11.81* Upon entering a curve of 200-m radius at a speed of 72 km/h, a motorist applies his brakes to decrease his speed at a constant rate of 2 m/s. Determine the magnitude of the total acceleration of the car when its speed is 54 km/h. 100 m 11.82 A racing car travels along the curve ABC of radius 500 m as shown. The speed of the car is increased at a constant rate from 108 km/h at A to 144 km/h at C. Determine the magnitude of the total acceleration of the car when it passes through the point B. Fig. P11.80 Fig. P11.87 A pin P is confined 11.88 horizontal slot in the guide C screw with a constant down pin P when 6 60°. 1 km 250 m 150 m A B D. 108 km / h 144 km / h 400 mm 500 m 8 km Fig. P11.88 Fig. P11.82 Fig. P11.83 11.89 booster rockets and is tr A space shuttl 11 02 tile travels along the trajectory AB surface of surements give r 10
Transcribed Image Text:500 Kinematics of Particles 11.80 A car travels with a steady speed of v over a vertical curve whose radius of curvature is 100 m as shown. If the magnitude of acceleration of the car is not to exceed 0.5g, determine the maximum value of v permitted. 11.81* Upon entering a curve of 200-m radius at a speed of 72 km/h, a motorist applies his brakes to decrease his speed at a constant rate of 2 m/s. Determine the magnitude of the total acceleration of the car when its speed is 54 km/h. 100 m 11.82 A racing car travels along the curve ABC of radius 500 m as shown. The speed of the car is increased at a constant rate from 108 km/h at A to 144 km/h at C. Determine the magnitude of the total acceleration of the car when it passes through the point B. Fig. P11.80 Fig. P11.87 A pin P is confined 11.88 horizontal slot in the guide C screw with a constant down pin P when 6 60°. 1 km 250 m 150 m A B D. 108 km / h 144 km / h 400 mm 500 m 8 km Fig. P11.88 Fig. P11.82 Fig. P11.83 11.89 booster rockets and is tr A space shuttl 11 02 tile travels along the trajectory AB surface of surements give r 10
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