Scenario #1: USAF 711th Human Performance Wing The US Air Force maintains a large, human-rated centrifuge, which is used to train fighter pilot students for high-acceleration maneuvers. The centrifuge has a radius of 9.4 m and a typical trainee will zip around with a (tangential) speed of 28.8 m/s. Multiple Choice Questions 1) What is the angular speed () of the above centrifuge? a) 3.1 rad/s c) 9.3 rad/s b) 6.2 rad/s d) 12.4 rad/s e) 271 rad/s f) 420 rad/s 2) What is the magnitude of the centripetal acceleration that this student will experience? c) 29.4 m/s² (3g) d) 58.8 m/s² (6g) a) 0 b) 9.8 m/s² (1g) e) 88.2 m/s² (9g) f) 117.6 m/s² (12g) Short Answer Question The centrifuge speed is adjustable. For this question, assume the centrifuge motor starts from rest and uniformly accelerates to a maximum speed of 45 rpm (rotations per minute) over the course of a minute. • What is the magnitude of the angular acceleration (a) in rad/s² for the centrifuge motor? • How many full rotations does the centrifuge motor make during this minute?

Scenario #1: USAF 711th Human Performance Wing The US Air Force maintains a large, human-rated centrifuge, which is used to train fighter pilot students for high-acceleration maneuvers. The centrifuge has a radius of 9.4 m and a typical trainee will zip around with a (tangential) speed of 28.8 m/s. Multiple Choice Questions 1) What is the angular speed () of the above centrifuge? a) 3.1 rad/s c) 9.3 rad/s b) 6.2 rad/s d) 12.4 rad/s e) 271 rad/s f) 420 rad/s 2) What is the magnitude of the centripetal acceleration that this student will experience? c) 29.4 m/s² (3g) d) 58.8 m/s² (6g) a) 0 b) 9.8 m/s² (1g) e) 88.2 m/s² (9g) f) 117.6 m/s² (12g) Short Answer Question The centrifuge speed is adjustable. For this question, assume the centrifuge motor starts from rest and uniformly accelerates to a maximum speed of 45 rpm (rotations per minute) over the course of a minute. • What is the magnitude of the angular acceleration (a) in rad/s² for the centrifuge motor? • How many full rotations does the centrifuge motor make during this minute?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And Gravitation

Section: Chapter Questions

Problem 20P: Human centrifuges are used to train military pilots and astronauts in preparation for high-g...

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