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A centrifuge in a medical laboratory rotates at an angular speedof 3,500 rev/min. When switched off, it rotatesthrough 48.0 revolutions before coming to rest. Find theconstant angular acceleration (in rad/s2) of thecentrifuge. rad/s2
3.
3/6 pointsPrevious AnswersSerCP11 7.3.P.009.1/5Submissions Used
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The diameters of the main rotor and tail rotor of asingle-engine helicopter are 7.59 m and 1.05 m,respectively. The respective rotational speedsare 441 rev/min and 4,140 rev/min. Calculatethe speeds of the tips of both rotors.
Compare these speeds with the speed of sound, 343 m/s.
2. 0/8 points Previous Answers SerCP11 7.3.P.006. 375 Submissions Used My Notes + Ask Your Teacher A centrifuge in a medical laboratory rotates at an angular speed of 3,500 rev/min. When switched off, it rotates through 48.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s) of the centrifuge. rad/s² Need Help? Read It Watch It 3. + 376 points Previous Answers SerCP11 7.3.P.009. 1/5 Submissions Used My Notes Ask Your Teacher The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.59 m and 1.05 m, respectively. The respective rotational speeds are 441 rev/min and 4,140 rev/min. Calculate the speeds of the tips of both rotors. main rotor tail rotor m/s m/s Compare these speeds with the speed of sound, 343 m/s. main rotor = sound Vtail rotor = Need Help? Read It Watch It V sound