`AB` is a frictionless inclined surface making an angle of `30^@` with horizontal.

`AB` is a frictionless inclined surface making an angle of `30^@` with horizontal. A is `6.3 m` above the ground while `B` is `3.8 m` above the ground. A block slides down form `A`, initially starting from rest. Its velocity on reaching `B` is .

[@hariniannamalai6910]

Good keep going

[@yogendragoswami4549]

Thanks for explanation .