3/64 A 3220-lb car enters an S-curve at A with a speed of 60 mi/hr with brakes applied to reduce the speed to 45 mi/hr at a uniform rate in a distance of 300 ft measured along the curve from A to B. The radius of curvature of the path of the car at B is 600 ft. Cal- culate the total friction force exerted by the road on the tires at B. The road at B lies in a horizontal plane.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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3/64 A 3220-lb car enters an S-curve at A with a speed of
60 mi/hr with brakes applied to reduce the speed to
45 mi/hr at a uniform rate in a distance of 300 ft
measured along the curve from A to B. The radius
of curvature of the path of the car at B is 600 ft. Cal-
culate the total friction force exerted by the road on
the tires at B. The road at B lies in a horizontal
plane.
B.
300
600
Problem 3/64
Transcribed Image Text:3/64 A 3220-lb car enters an S-curve at A with a speed of 60 mi/hr with brakes applied to reduce the speed to 45 mi/hr at a uniform rate in a distance of 300 ft measured along the curve from A to B. The radius of curvature of the path of the car at B is 600 ft. Cal- culate the total friction force exerted by the road on the tires at B. The road at B lies in a horizontal plane. B. 300 600 Problem 3/64
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