Tidal waves A tidal wave of height 50 feet and period 30 minutes is approaching a sea
Chapter 6, Problem 6.2.77(choose chapter or problem)
Tidal waves A tidal wave of height 50 feet and period 30 minutes is approaching a sea wall that is 12.5 feet above sea level (see the figure). From a particular point on shore, the distance y from sea level to the top of the wave is given bywith t in minutes. For approximately how many minutes of each 30-minute period is the top of the wave above the level of the top of the sea wall?
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