The Function $y = 1.6 \sin ( t - 1.8 )$

question 129

Multiple Choice

The function $y = 1.6 \sin ( t - 1.8 )$ models the displacement of an object moving in simple harmonic motion, where y is measured in inches and t in seconds. Find the frequency of motion

• A) \(\frac { 1 } { 2 \pi } \text { cycles per second }\)
• B) \(1.6 \text { cycles per second }\)
• C) \(1.8 \text { cycles per second }\)
• D) \(2 \pi \text { cycles per second }\)
• E) \(3.9 \text { cycles per second }\)

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