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In the above question, if at the end of ...

In the above question, if at the end of 4 sec, the string be cut, the position of each particle in next 2 seconds will respectively be -

A

17.856 m,21.344 m

B

`-21.344 "m", 17.856 "m"`

C

`-17.856"m", 21.344 "m"`

D

`-17.856"m", -21.344 "m"`

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