Two particles 1 and 2 are allowed to des...

Two particles `1` and `2` are allowed to descend on the two frictionless chord `OA` and `OB` of a vertical circle, at the same instant from point `O`. The ratio of the velocities of the particles `1` and `2` respectively, when they reach on the circumference will be (OB is the diameter).

`1/4`

`1/2`

`1/(2sqrt(2))`

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