Calculate the acceleration of the 2000 kg twin engine aircraft just before takeoff when the thrust of the engines is 1100 n . Assuming a constant acceleration of 1.5 m/s^2 , how long would it take to attain a speed of 28 m/s at which speed it could lift off ? Starting from rest , how far would the plane travel if accelerating at 1.5 m/s^s after 30 seconds ?
Calculate the acceleration of the 2000 kg twin engine aircraft just before takeoff when the thrust of the engines is 1100 n . Assuming a constant acceleration of 1.5 m/s^2 , how long would it take to attain a speed of 28 m/s at which speed it could lift off ? Starting from rest , how far would the plane travel if accelerating at 1.5 m/s^s after 30 seconds ?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 31P: What is the deceleration of the rocket sled if it comes to rest in 1.10 s from a speed of 1000.0...
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Question
Calculate the acceleration of the 2000 kg twin engine aircraft just before takeoff when the thrust of the engines is 1100 n .
Assuming a constant acceleration of 1.5 m/s^2 , how long would it take to attain a speed of 28 m/s at which speed it could lift off ?
Starting from rest , how far would the plane travel if accelerating at 1.5 m/s^s after 30 seconds ?
Expert Solution
Step 1
From Newton's law the expression for force is
Therefore, the acceleration just before take off is
The expression to find the time to attain certain speed with uniform acceleration is
Assuming the air craft started from rest, u=0
Therefore, the time to attain speed is 19 s.
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