15.Assume a police station is located along a straight east-west freeway. At noon (t=0), a patrol car leaves thestation heading east. The position function of the car s = f(t) gives the location of the car in miles east (s >0)or west (s <0) of the station t hours after noon.Position (miles from station)s = f(t)n1.01.52,080604020-200,52.53,0 3.5Time (hours after noon)a) Describe the location of the patrol car during the first 3.5 hours of the trip.b) Calculate the displacement and average velocity of the car between 2PM and 330PM (2 ≤ t ≤ 3.5).c) At what time(s) is the instantaneous velocity greatest as the car travels east?

The given graph shows the position of the patrol car as a result of time, from its starting…

15. Assume a police station is located along a straight east-west freeway. At noon (t=0), a patrol car leaves the station heading east. The position function of the car s = f(t) gives the location of the car in miles east (s >0) or west (s <0) of the station t hours after noon. s = f(t) n 0,5 1,0 1,5 2,0 2,5 3,0 3,5 Position (miles from station) 80 60 40 20 -20 Time (hours after noon) a) Describe the location of the patrol car during the first 3.5 hours of the trip. b) Calculate the displacement and average velocity of the car between 2PM and 330PM (2 ≤ t ≤ 3.5). c) At what time(s) is the instantaneous velocity greatest as the car travels east?

15. Assume a police station is located along a straight east-west freeway. At noon (t=0), a patrol car leaves the station heading east. The position function of the car s = f(t) gives the location of the car in miles east (s >0) or west (s <0) of the station t hours after noon. s = f(t) n 0,5 1,0 1,5 2,0 2,5 3,0 3,5 Position (miles from station) 80 60 40 20 -20 Time (hours after noon) a) Describe the location of the patrol car during the first 3.5 hours of the trip. b) Calculate the displacement and average velocity of the car between 2PM and 330PM (2 ≤ t ≤ 3.5). c) At what time(s) is the instantaneous velocity greatest as the car travels east?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

15.
Assume a police station is located along a straight east-west freeway. At noon (t=0), a patrol car leaves the
station heading east. The position function of the car s = f(t) gives the location of the car in miles east (s >0)
or west (s <0) of the station t hours after noon.
Position (miles from station)
s = f(t)
n
1.0
1.5
2,0
80
60
40
20
-20
0,5
2.5
3,0 3.5
Time (hours after noon)
a) Describe the location of the patrol car during the first 3.5 hours of the trip.
b) Calculate the displacement and average velocity of the car between 2PM and 330PM (2 ≤ t ≤ 3.5).
c) At what time(s) is the instantaneous velocity greatest as the car travels east?

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