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An aircraft is coming in for a landing at 300 meters height when the propeller falls off. The aircraft is flying at 40.0 m/s horizontally. The propeller has a rotation rate of 20 rev/s, a moment of inertia of 70.0 kg-m?, and a mass of 200 kg. Neglect air resistance. (a) With what translational velocity does the propeller hit the ground? (b) What is the rotation rate of the propeller at impact? (A) a) 86.5 m/s b) 20 rev/s B a) 76.2 m/s b) 20 rev/s a) 92.7 m/s b) 20 rev/s D) a) 64.9 m/s b) 20 rev/s

An aircraft is coming in for a landing at 300 meters height when the propeller falls off. The aircraft is flying at 40.0 m/s horizontally. The propeller has a rotation rate of 20 rev/s, a moment of inertia of 70.0 kg-m?, and a mass of 200 kg. Neglect air resistance. (a) With what translational velocity does the propeller hit the ground? (b) What is the rotation rate of the propeller at impact? (A) a) 86.5 m/s b) 20 rev/s B a) 76.2 m/s b) 20 rev/s a) 92.7 m/s b) 20 rev/s D) a) 64.9 m/s b) 20 rev/s

Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 15CQ
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An aircraft is coming in for a landing at 300 meters height when the propeller falls off. The aircraft is flying at 40.0 m/s horizontally. The propeller has a rotation rate of 20 rev/s, a moment of inertia of 70.0 kg-m2, and a mass of 200 kg. Neglect air resistance. (a) With what translational velocity does the propeller hit the ground? (b) What is the rotation rate of the propeller at impact? A a) 86.5 m/s b) 20 rev/s B a) 76.2 m/s b) 20 rev/s C) a) 92.7 m/s b) 20 rev/s a) 64.9 m/s b) 20 rev/s
Transcribed Image Text:An aircraft is coming in for a landing at 300 meters height when the propeller falls off. The aircraft is flying at 40.0 m/s horizontally. The propeller has a rotation rate of 20 rev/s, a moment of inertia of 70.0 kg-m2, and a mass of 200 kg. Neglect air resistance. (a) With what translational velocity does the propeller hit the ground? (b) What is the rotation rate of the propeller at impact? A a) 86.5 m/s b) 20 rev/s B a) 76.2 m/s b) 20 rev/s C) a) 92.7 m/s b) 20 rev/s a) 64.9 m/s b) 20 rev/s
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