A ball is tied to a string and whirled in a horizontal circle at a constant 4 revolutions per second. Categorize the kinematic properties according to whether they are constant and zero, constant and nonzero, or not constant in value.
[tex]v:[/tex] linear speed (scalar)
[tex]\vec{v}:[/tex] linear velocity (vector)
[tex]a_{\mathrm{r}}:[/tex] radial (centripetal) acceleration (scalar)
[tex]\vec{a}_{\mathrm{r}}:[/tex] radial (centripetal) acceleration (vector)
[tex]\omega:[/tex] angular speed (scalar)
[tex]\vec{\omega}:[/tex] angular velocity (vector)
[tex]\alpha:[/tex] angular acceleration (scalar)
[tex]\vec{\alpha}:[/tex] angular acceleration (vector)