Equations
Speed from angular velocity
Kinematics · id tangential_speed
v = \omega r
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
v | tangential speed | m/s | Linear speed of a point on the rotating object | 0 to 1000 |
omega | angular velocity | rad/s | Rate of rotation | 0 to 10000 |
r | radius | m | Distance from the rotation axis | 0 to 100000 |
Assumptions
- Rigid rotation about a fixed axis
Valid when
- Speeds far below the speed of light
Found by
Questions with these words retrieve this equation: rotation, angular velocity, spinning, wheel, rim, tangential speed, radians per second.
Source
OpenStax University Physics Volume 1, Chapter 10 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.