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The displacemenet time graph of two movi...

The displacemenet time graph of two moving particles make agnes of `30^(@) and 45^(@)` with the x-axis. The ratio of the two velocities `V _(A) and V_(B)` is

A

`sqrt 3 :2`

B

`1:1`.

C

`1:2`.

D

`1: sqrt 3`.

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