Two bodies are thrown up at angles of $45^o$ and $60^o$, respectively, with the  horizontal. If both bodies attain same vertical height, then the ratio of velocities with which  these are thrown is 

  • A

    $\sqrt{\frac{2}{3}}$

  • B

    $\frac{2}{\sqrt 3}$

  • C

    $\sqrt{\frac{3}{2}}$

  • D

    $\frac{\sqrt 3}{2}$

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