A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.176 rad/s². After making 2870 revolutions, its angular speed is 129 rad/s. (a) What is the initial angular velocity of the turbine? (b) How much time elapses while the turbine is speeding up? (a) Number i Units (b) Number i Units

University Physics Volume 1
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Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 38P: During a 6.0-s time interval, a fly-wheel with a constant angular acceleration turns through 500...
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A wind turbine is initially spinning at a constant
angular speed. As the wind's strength gradually
increases, the turbine experiences a constant
angular acceleration 0.176 rad/s?. After making
2870 revolutions, its angular speed is 129 rad/s.
(a) What is the initial angular velocity of the
turbine? (b) How much time elapses while the
turbine is speeding up?
(a) Number
i
Units
(b) Number
i
Units
Transcribed Image Text:A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.176 rad/s?. After making 2870 revolutions, its angular speed is 129 rad/s. (a) What is the initial angular velocity of the turbine? (b) How much time elapses while the turbine is speeding up? (a) Number i Units (b) Number i Units
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