A point P is moving in uniform circular motion with radius 3m. Let at some instant the acceleration of the point is \(\overrightarrow{a}=(6\widehat{i}-4\widehat{j})\) m/s2, the position vector is \(\overrightarrow{r}\) and velocity vector is \(\overrightarrow{v}\). The correct statement is
1
\(\overrightarrow{v}.\overrightarrow{a}=0\) and \(\overrightarrow{r}\times\overrightarrow{a}\ne0\)
2
\(\overrightarrow{v}.\overrightarrow{a}\ne0\) and \(\overrightarrow{r}\times\overrightarrow{a}\ne0\)
3
\(\overrightarrow{v}.\overrightarrow{a}=0\) and \(\overrightarrow{r}\times\overrightarrow{a}=0\)
4
\(\overrightarrow{v}.\overrightarrow{a}\ne0\) and \(\overrightarrow{r}\times\overrightarrow{a}=0\)