Two cars A and B moving on two straight ...

Two cars `A` and `B` moving on two straight tracks inclined at an angle `60^(@)` heading towards the crossing initially their positions are as shown in the figure. Both cars have same speed. Minimum seperation between them during their motion will be.

10 km

`5sqrt(3) km`

5 km

`(20)/(sqrt(3))km`

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