1. A wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2.00 rad/s. Two seconds later it has turned through complete revolutions. What is the angular acceleration of this wheel? 5.00 2. A jet engine, starting from rest, is accelerated at a rate of 5.00 rad/s². After 15.0 seconds, what is the angular velocity of the engine? What is the total angular displacement over this period of time? 3. A merry-go-round is traveling initially with an angular velocity of 5.00 rad/s. A child pushes the merry-go-round over 10.0 revolutions, causing the merry-go-round to accelerate at a constant rate of 1.00 rad/s². What is the final angular velocity of the merry-go-round? 4. An object moves in a circle of radius 2.00 m with instantaneous angular velocity of 5.00 rad/s and angular acceleration of 4.00 rad/s². What is the magnitude of the linear acceleration felt by the object? 5. A fan takes 2.00 s to reach its operating angular speed of 10.0 rev/s. What is the average angular acceleration (rad/s²)? off a cliff that is
1. A wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2.00 rad/s. Two seconds later it has turned through complete revolutions. What is the angular acceleration of this wheel? 5.00 2. A jet engine, starting from rest, is accelerated at a rate of 5.00 rad/s². After 15.0 seconds, what is the angular velocity of the engine? What is the total angular displacement over this period of time? 3. A merry-go-round is traveling initially with an angular velocity of 5.00 rad/s. A child pushes the merry-go-round over 10.0 revolutions, causing the merry-go-round to accelerate at a constant rate of 1.00 rad/s². What is the final angular velocity of the merry-go-round? 4. An object moves in a circle of radius 2.00 m with instantaneous angular velocity of 5.00 rad/s and angular acceleration of 4.00 rad/s². What is the magnitude of the linear acceleration felt by the object? 5. A fan takes 2.00 s to reach its operating angular speed of 10.0 rev/s. What is the average angular acceleration (rad/s²)? off a cliff that is
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter6: Uniform Circular Motion And Gravitation
Section: Chapter Questions
Problem 16PE: Olympic ice skaters are able to spin at about 5 rev/s. (a) What is their angular velocity in radians...
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