A 3.45-kg centrifuge takes 72 s to spin up from rest to its final angular speed with constant angular acceleration. A point located 16.2 cm from the axis of rotation of the centrifuge moves with a speed of 147.7 m/s when the centrifuge is at full speed. What is the angular acceleration (in rad/s2) of the centrifuge as it spins up?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 48P: An ultracentrifuge accelerates from to 100,000 rpm in 2.00 min. (a) What is the average angular...
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A 3.45-kg centrifuge takes 72 s to spin up from rest to its final angular speed with constant angular
acceleration. A point located 16.2 cm from the axis of rotation of the centrifuge moves with a speed of
147.7 m/s when the centrifuge is at full speed. What is the angular acceleration (in rad/s2) of the
centrifuge as it spins up?
Transcribed Image Text:A 3.45-kg centrifuge takes 72 s to spin up from rest to its final angular speed with constant angular acceleration. A point located 16.2 cm from the axis of rotation of the centrifuge moves with a speed of 147.7 m/s when the centrifuge is at full speed. What is the angular acceleration (in rad/s2) of the centrifuge as it spins up?
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