In a large centrifuge used for training pilots and astronauts, asmall chamber is

Question

In a large centrifuge used for training pilots and astronauts, asmall chamber is fixed at the end of a rigid arm that rotates in ahorizontal circle. A trainee riding in the chamber of a centrifugerotating with a constant angular speed of 2.6 rad/s experiences a centripetal acceleration of3.1 times the acceleration due to gravity.In a second training exercise, the centrifuge speeds up from restwith a constant angular acceleration. When the centrifuge reachesan angular speed of 2.6 rad/s, the traineeexperiences a total acceleration equal to 5.1 times the acceleration due to gravity.
(a) How long is the arm of the centrifuge?
1

(b) What is the angular acceleration (magnitude) of the centrifugein the second training exercise?
2

(a) How long is the arm of the centrifuge?
1

(b) What is the angular acceleration (magnitude) of the centrifugein the second training exercise?
2

Explanation / Answer

Angular speed w ‘= 2 rad / s

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