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Two masses A and B connected with an ine...

Two masses `A` and `B` connected with an inextensible string of length `l` lie on a smooth horizontal plane. `A` is given a velocity of `vm//s` along the ground perpendicular to line AB as shown in figure. Find the tension in string during their subsequent motion

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The correct Answer is:
`2mv^(2)//3l`
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