In traveling a distance of 4.4 km between points A and D, a car is driven at 115 km/h from A to B for t seconds and 46 km/h from C to D also for t seconds. If the brakes are applied for 5.9 seconds between B and C to give the car a uniform deceleration, calculate t and the distances between A and B. 115 km/h B C ī 4.4 km 46 km/h

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter5: Relativity
Section: Chapter Questions
Problem 36P: Describe the following physical occurrences as events, that is, in the form (x, y, z, t): (a) A...
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In traveling a distance of 4.4 km between points A and D, a car is driven at 115 km/h from A to B for t seconds and 46 km/h from C to D
also for t seconds. If the brakes are applied for 5.9 seconds between B and C to give the car a uniform deceleration, calculate t and the
distances between A and B.
Answers:
t =
S=
115 km/h
i
MK
B
I
с
4.4 km
46 km/h
S
km
D
Transcribed Image Text:In traveling a distance of 4.4 km between points A and D, a car is driven at 115 km/h from A to B for t seconds and 46 km/h from C to D also for t seconds. If the brakes are applied for 5.9 seconds between B and C to give the car a uniform deceleration, calculate t and the distances between A and B. Answers: t = S= 115 km/h i MK B I с 4.4 km 46 km/h S km D
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