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OpenStudy (anonymous):
for the simple harmonic motion equation d=9 cos((pi/2)t) what is the frequency
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OpenStudy (anonymous):
The period is equal to 2pi/n, where n is the coefficient of t. In this case pi/2. Therefore the period in this example is 4. Frequency is equal to 1/period. Hence the frequency for this problem is 1/4
OpenStudy (anonymous):
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