Table of contents
- 0. Review of College Algebra(0)
- 1. Measuring Angles(0)
- 2. Trigonometric Functions on Right Triangles(0)
- 3. Unit Circle(0)
- 4. Graphing Trigonometric Functions(0)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(0)
- 6. Trigonometric Identities and More Equations(0)
- 7. Non-Right Triangles(0)
- 8. Vectors(0)
- 9. Polar Equations(0)
- 10. Parametric Equations(0)
- 11. Graphing Complex Numbers(0)
3. Unit Circle
Defining the Unit Circle
3. Unit Circle
Defining the Unit Circle: Study with Video Lessons, Practice Problems & Examples
Back to all problems
69PRACTICE PROBLEM
A revolving door at a building in Manhattan rotates 15 times per minute. If a point on its edge is 1.5 m away from the center of the door, what is the linear speed v of this point?
A revolving door at a building in Manhattan rotates 15 times per minute. If a point on its edge is 1.5 m away from the center of the door, what is the linear speed v of this point?