However, when discussing linear velocity, the relevant unit for radius is *not* meters directly, but rather:

* Meters per second (m/s): This is the unit of linear velocity itself, representing the rate of change of position over time.

* Radians (rad): This is the unit for angular displacement, which is the change in angle experienced by an object moving in a circular path. Radius is often involved in calculations relating linear velocity to angular velocity, where angular displacement is measured in radians.

So, while meters is used for measuring radius, it's not the specific unit for radius in the context of linear velocity. You'll need to consider the specific context and whether you're working with linear velocity, angular velocity, or just the radius itself.