Homework Help: physics

Posted by Help on Wednesday, March 21, 2012 at 12:53am.

A buoy oscillates in simple harmonic motion according to the motion of waves at sea. An observer notes that the buoy moves a total of 6 feet from its lowest point to its highest point. The buoy returns to its highest point every 15 seconds.
Amplitude: 6 feet
Period: ???
Frequency: ???
Possible equation:???

physics - John, Tuesday, May 7, 2013 at 8:13am
Period: 2pi/15, or one oscillation every 15 minutes.
Freq: 1/15
Equation: let d be the displacement then
d = 6cos(2pi/15t)

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