A body is projected with a velocity 60 ms^-1 at 30⁰ to horizontal. Its initial velocity vector is

Moderate

A

$\large \left( {10\mathop i\limits^\^ + 10\sqrt 3 \mathop j\limits^\^ } \right)m/s$
B

$\left( {30\mathop i\limits^\^ + 30\sqrt 3 \mathop j\limits^\^ } \right)m/s$
C

$\left( {30\sqrt 3 \mathop i\limits^\^ + 30\mathop j\limits^\^ } \right)m/s$
D

$\left( {30\sqrt 3 \mathop i\limits^\^ } \right)m/s$