Out of the following equations which is WRONG?
(A) \(\vec \tau=\vec r\times\vec F\)
(B) \(\vec {a_r}=\overrightarrow \omega\times\overrightarrow {\text v}\)
(C) \(\vec{a_t}=\overrightarrow\alpha\times\overrightarrow r\)
(D) \(\overrightarrow {\text v}=\overrightarrow r\times \overrightarrow\omega\)