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Two particles A and B of equal mass m ar...

Two particles `A` and `B` of equal mass `m` are attached by a string of length `2l` and initially placed over a smooth horizontal table in the positoin shown in fig. particle `B` is projected across the table with speed `u` perpendicular to `AB` as shown in the figure. find the velocities of each particle after the string becomes taut and the magnitude of the impulse tension.

A

`(usqrt3)/(4)`

B

`usqrt3`

C

`(u sqrt3)/(2)`

D

`(u)/(2)`

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