31? A DC-8 airplane has a takeoff velocity of 80 m/s, which it reaches 35 s after starting from rest. (a) How much time does the airplane spend in going from 0 to 20 m/s? What distance does it cover in doing sọ? (b) How much time does the airplane spend in going from 60 to 80 m/s? What distance does it cover in doing so? (c) What is the minimum length of the runway?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 82AP: Professional baseball player Nolan Ryan could pitch a baseball at approximately 160.0 km/h. At that...
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31? A DC-8 airplane has a takeoff velocity of 80 m/s, which
it reaches 35 s after starting from rest. (a) How much time
does the airplane spend in going from 0 to 20 m/s? What
distance does it cover in doing sọ? (b) How much time does
the airplane spend in going from 60 to 80 m/s? What distance
does it cover in doing so? (c) What is the minimum length of
the runway?
Transcribed Image Text:31? A DC-8 airplane has a takeoff velocity of 80 m/s, which it reaches 35 s after starting from rest. (a) How much time does the airplane spend in going from 0 to 20 m/s? What distance does it cover in doing sọ? (b) How much time does the airplane spend in going from 60 to 80 m/s? What distance does it cover in doing so? (c) What is the minimum length of the runway?
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