17-27. The sports car has a weight of 4500 lb and center of gravity at G. If it starts from rest it causes the rear wheels to slip as it accelerates. Determine how long it takes for it to reach a speed of 10 ft/s. Also, what are the normal reactions at each of the four wheels on the road? The coefficients of static and kinetic friction at the road are u, = 0.5 and uk = 0.3, respectively. Neglect the mass of the wheels. 2.5 ft 4 ft 2 ft A

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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This is a dynamics problem.

Answers:  NA = 1393 lb,

                 NB = 857 lb,

                 t = 2.72 s

17-27. The sports car has a weight of 4500 lb and center
of gravity at G. If it starts from rest it causes the rear
wheels to slip as it accelerates. Determine how long it
takes for it to reach a speed of 10 ft/s. Also, what are the
normal reactions at each of the four wheels on the road?
The coefficients of static and kinetic friction at the road
are u, = 0.5 and uk = 0.3, respectively. Neglect the mass
of the wheels.
2.5 ft
4 ft
2 ft A
Transcribed Image Text:17-27. The sports car has a weight of 4500 lb and center of gravity at G. If it starts from rest it causes the rear wheels to slip as it accelerates. Determine how long it takes for it to reach a speed of 10 ft/s. Also, what are the normal reactions at each of the four wheels on the road? The coefficients of static and kinetic friction at the road are u, = 0.5 and uk = 0.3, respectively. Neglect the mass of the wheels. 2.5 ft 4 ft 2 ft A
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