If the water falls from a dam into a tur...

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine is `(g=9.8m//s^(2))`

`9.8ms^(-1)`

`19.6 ms^(-1)`

`39.2 ms^(-1)`

`98.0 ms^(-1)`

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