A projectile is projected at $30^{\circ}$ from horizontal with initial velocity $40\,ms ^{-1}$. The velocity of the projectile at $t =2\,s$ from the start will be $........$ (Given $g =10\,m / s ^2$ )

  • [JEE MAIN 2023]
  • A

    $20 \sqrt{3}\,ms ^{-1}$

  • B

    $40 \sqrt{3}\,ms ^{-1}$

  • C

    $20\,ms ^{-1}$

  • D

    Zero

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