Consider a tidal barrage constructed to enclose a lagoon of surface area 5 km 2 , with
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Consider a tidal barrage constructed to enclose a lagoon of surface area 5 km2, with typical tidal range of 4 m. What is the maximum possible average power output of such a barrage? How much would the net output be increased if an additional 1 m of water were pumped in at every high tide and pumped out at every low tide? (Remember to subtract energy used for pumping.)
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