12-117. The two cars A and B travel along the circular path at constant speeds va = 80 ft/s and vg = 100 ft/s, respectively. If they are at the positions shown when 1= 0, determine the time when the cars are side by side, and the time when they are 90° apart. %3D 12–118. Cars A and B are traveling around the circular race track. At the instant shown, A has a speed of 60 ft/s and is increasing its speed at the rate of 15 ft/s² until it travels for a distance of 100 ft, after which it maintains a constant speed. Car B has a speed of 120 ft/s and is decreasing its speed at 15 ft/s? until it travels a distance of 657 ft, after which it maintains a constant speed. Determine the time when they come side by side. A = 400 ft 'B = 390 ft
12-117. The two cars A and B travel along the circular path at constant speeds va = 80 ft/s and vg = 100 ft/s, respectively. If they are at the positions shown when 1= 0, determine the time when the cars are side by side, and the time when they are 90° apart. %3D 12–118. Cars A and B are traveling around the circular race track. At the instant shown, A has a speed of 60 ft/s and is increasing its speed at the rate of 15 ft/s² until it travels for a distance of 100 ft, after which it maintains a constant speed. Car B has a speed of 120 ft/s and is decreasing its speed at 15 ft/s? until it travels a distance of 657 ft, after which it maintains a constant speed. Determine the time when they come side by side. A = 400 ft 'B = 390 ft
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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Transcribed Image Text:12-117. The two cars A and B travel along the circular
path at constant speeds va = 80 ft/s and vg = 100 ft/s,
respectively. If they are at the positions shown when 1= 0,
determine the time when the cars are side by side, and the
time when they are 90° apart.
%3D
12–118. Cars A and B are traveling around the circular
race track. At the instant shown, A has a speed of 60 ft/s
and is increasing its speed at the rate of 15 ft/s² until it
travels for a distance of 100 ft, after which it maintains a
constant speed. Car B has a speed of 120 ft/s and is
decreasing its speed at 15 ft/s? until it travels a distance
of 657 ft, after which it maintains a constant speed.
Determine the time when they come side by side.
A = 400 ft
'B = 390 ft
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