As shown in the figure a body of mass m ...

As shown in the figure a body of mass m moving vertically with speed 3 m/s hits a smooth fixed inclined plane and rebounds with a velocity `v_(f)` in the horizontal direction . If angle of plane with horizontal is `30^(@)` , the velocity `v_(f)` will be

3 m/s

`sqrt3` m/s

`1//sqrt3m//s`

this is not possible

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