A particle is thrown upwards from ground...

A particle is thrown upwards from ground. It experiences a constant resistance force which can produce a retardation of `2 ms^-2.` The ratio of time of ascent to time of descent 13 (`g = 10 ms^-2`)

`1:1`

`sqrt(2/3)`

`(2)/(3)`

`sqrt(3/2)`

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