In traveling a distance of 3 km between points A and D, a car is driven at 100 km/h from A to B for t sec- onds and 60 km/h from C to D also for t seconds. If the brakes are applied for 4 seconds between B and C to give the car a uniform deceleration, calculate t and the distance s between A and B. 100 km/h 60 km/h B C 3 km

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In traveling a distance of 3 km between points A and
D, a car is driven at 100 km/h from A to B for t sec-
onds and 60 km/h from C to D also for t seconds. If
the brakes are applied for 4 seconds between B and
C to give the car a uniform deceleration, calculate t
and the distance s between A and B.
100 km/h
60 km/h
A
B
C
D
3 km
Transcribed Image Text:In traveling a distance of 3 km between points A and D, a car is driven at 100 km/h from A to B for t sec- onds and 60 km/h from C to D also for t seconds. If the brakes are applied for 4 seconds between B and C to give the car a uniform deceleration, calculate t and the distance s between A and B. 100 km/h 60 km/h A B C D 3 km
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