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A bird takes exactly two minutes to fly linearly from P(3,8,4) to Q(7,4,-3). Assuming that the bird maintains a constant speed, answer each of the following questions. What are the coordinates of the bird's position 45 seconds after leaving P? How many seconds after leaving P does the bird cross the xy-plane?

A bird takes exactly two minutes to fly linearly from P(3,8,4) to Q(7,4,-3). Assuming that the bird maintains a constant speed, answer each of the following questions. What are the coordinates of the bird's position 45 seconds after leaving P? How many seconds after leaving P does the bird cross the xy-plane?

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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  1. A bird takes exactly two minutes to fly linearly from P(3,8,4) to Q(7,4,-3). Assuming that the bird maintains a constant speed, answer each of the following questions.
    1. What are the coordinates of the bird's position 45 seconds after leaving P?
    2. How many seconds after leaving P does the bird cross the xy-plane?
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