Question: In a 6 5 m high waterfall, 5 . 0 x 1 0 5 m 3 of water flows over every 5 . 5 hours.

In a 65 m high waterfall, 5.0 x 105 m3 of water flows over every 5.5 hours. 6.5% of the flow is diverted into a Hydroelectric Generating Station that operates at 75% efficiency.
What would the power rating of the Generating Station be?
How much electrical energy would be generated annually? (Answer in MJ as well as kWh)

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