one cycle of the moon 28 days
2 years
A minnimum of 20 years! :P
tidal surge
When are the tidal currents strongest?
A spring tide has the greatest tidal range. A neap tide has a smaller tidal range.
time it takes for one tidal cycle
Very, very slightly, over a long, long period of time (hundreds of thousands to millions of years) - yes, it does.
Daily rhythm (24 hour period)Lunar rhythm (29.5 hour / monthly period)Annual rhythm (yearly period)Tidal rhythm (12.4 hour period/coincident with tidal flows)Intermittent rhythm
yes
Long enough to power electricity
Mississippi
It is 52km long with an additional tidal length of 14km
24 hours, 52 minutes.
2 years
A minnimum of 20 years! :P
68 miles, as far as Teddington
Yes, it will continue as long as the moon moves round the Earth.