A particle $A$ is projected vertically upwards. Another identical particle $B$ is projected at an angle of $45^o $ . Both reach the same height. The ratio of the initial kinetic energy of $A$ to that of $B$ is

  • A

    $1:2$

  • B

    $2:1$

  • C

    $1:\sqrt 2$

  • D

    $\sqrt 2:1$

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Where the symbols have their usual meaning.

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