The bob $A$ of a simple pendulum is released when the string makes an angle of $45^o$ with the vertical. It hits another bob $B$ of the same material and same mass kept at rest on the table. If the collision is elastic,then

  • A
    Both $A$ and $B$ rise to the same height
  • B
    Both $A$ and $B$ come to rest at $B$
  • C
    Both $A$ and $B$ move with the same velocity of $A$
  • D
    $A$ comes to rest and $B$ moves with the velocity of $A$

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The bob $A$ of a simple pendulum is released when the string makes an angle of $45^{\circ}$ with the vertical. It hits another bob $B$ of the same material and same mass kept at rest on the table. If the collision is elastic,what happens after the collision?

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