A particle is released from a height S. ...

A particle is released from a height S. At certain height its kinetic energy is three times its potential energy. The height and speed of the particle at that instant are respectively

`H/3,sqrt((2gH)/3)`

`H/3,2sqrt((gH)/3)`

`(2H)/3,sqrt((2gH)/3)`

`(H)/3,sqrt(2gH)`

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