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October 25, 2014

Homework Help: math pls

Posted by - on Tuesday, January 26, 2010 at 7:53pm.

Tidal forces are greatest when the Eaetg, the sun and the moon are in line. When this occurs at the Annapolis Tidal Generating Station, the waterhas a maximum depth of 9.6 m at 4:30 pm and a minimum depthof 0.4 m 6.2 hourslater.

the equation is:
y= 4.6cos (2pi/12.4) (t-4.5) + 5

I don't know how the phase shift was determined.

What is the depth of the water at 9:30 am and 6:45 pm??

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