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A traffic safety engineer was studying travel patterns along a highway. She set up a camera and recorded the speed and direction of cars and trucks that passed by the camera. Positions to the east of the camera are positive, and to the west are negative. 1. Here are some positions and times for one car: position (feet) -180 -120 -60 0 60 120 time (seconds) -3 -2 -1 2 a. In what direction is this car traveling? b. What is its velocity? 2. a. What does it mean when the time is zero? b. What could it mean to have a negative time?

A traffic safety engineer was studying travel patterns along a highway. She set up a camera and recorded the speed and direction of cars and trucks that passed by the camera. Positions to the east of the camera are positive, and to the west are negative. 1. Here are some positions and times for one car: position (feet) -180 -120 -60 0 60 120 time (seconds) -3 -2 -1 2 a. In what direction is this car traveling? b. What is its velocity? 2. a. What does it mean when the time is zero? b. What could it mean to have a negative time?

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section7.3: The Ambiguous Case
Problem 47PS
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A traffic safety engineer was studying travel patterns along a highway. She set up a camera and recorded the speed and direction of cars and trucks that passed by the camera. Positions to the east of the camera are positive, and to the west are negative. 1. Here are some positions and times for one car: position (feet) -180 -120 -60 0 60 120 time (seconds) -3 -2 -1 2 a. In what direction is this car traveling? b. What is its velocity? 2. a. What does it mean when the time is zero? b. What could it mean to have a negative time?
Transcribed Image Text:A traffic safety engineer was studying travel patterns along a highway. She set up a camera and recorded the speed and direction of cars and trucks that passed by the camera. Positions to the east of the camera are positive, and to the west are negative. 1. Here are some positions and times for one car: position (feet) -180 -120 -60 0 60 120 time (seconds) -3 -2 -1 2 a. In what direction is this car traveling? b. What is its velocity? 2. a. What does it mean when the time is zero? b. What could it mean to have a negative time?
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