ao In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. A trainee riding in the chamber of a centrifuge rotating with a constant angular speed of 2.5 rad/s experiences a centrip- etal acceleration of 3.2 times the acceleration due to gravity. In a sec- ond training exercise, the centrifuge speeds up from rest with a constant angular acceleration. When the centrifuge reaches an angular speed of 2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times the acceleration due to gravity. (a) How long is the arm of the centrifuge? (b) What is the angular acceleration of the centrifuge in the second training *70. exercise?

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Chapter1: Units, Trigonometry. And Vectors
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ao In a large centrifuge used for training pilots and astronauts,
a small chamber is fixed at the end of a rigid arm that rotates
in a horizontal circle. A trainee riding in the chamber of a centrifuge
rotating with a constant angular speed of 2.5 rad/s experiences a centrip-
etal acceleration of 3.2 times the acceleration due to gravity. In a sec-
ond training exercise, the centrifuge speeds up from rest with a constant
angular acceleration. When the centrifuge reaches an angular speed of
2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times
the acceleration due to gravity. (a) How long is the arm of the centrifuge?
(b) What is the angular acceleration of the centrifuge in the second training
*70.
exercise?
Transcribed Image Text:ao In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. A trainee riding in the chamber of a centrifuge rotating with a constant angular speed of 2.5 rad/s experiences a centrip- etal acceleration of 3.2 times the acceleration due to gravity. In a sec- ond training exercise, the centrifuge speeds up from rest with a constant angular acceleration. When the centrifuge reaches an angular speed of 2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times the acceleration due to gravity. (a) How long is the arm of the centrifuge? (b) What is the angular acceleration of the centrifuge in the second training *70. exercise?
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