A bomb at rest explodes into three fragments $X, Y$ and $Z$. Each one of them has the same mass. Which of the following correctly describes the motion of the fragments?

  • A

    They fly in three mutually perpendicular directions

  • B

    They fly in different directions, but $X$ flies opposite to $Y$

  • C

    They fly with same speed in different directions but $Y$ flies perpendicular to $Z$

  • D

    They fly with different speeds in different directions in a plane

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