For , find the magnitude of velocity and show that it is…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

For

\mathbf{r}(t)=R \cos (\omega t) \hat{\mathbf{i}}+R \sin (\omega t) \hat{\mathbf{j}}

, find the magnitude of velocity and show that it is constant.