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OpenStudy (anonymous):
help please! :) an object's motion is described by the equation d=3sin(8pi t)-2. The displacement, d, is measured in meters. The time, t, is measured in seconds. What is the frequency (measured in Hz) of this oscillation?
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OpenStudy (anonymous):
|dw:1376625629499:dw|
OpenStudy (anonymous):
So the answer is 4pi? @modphysnoob
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