A Body Moves with Simple Harmonic Motion According to the Equation

question 49

Multiple Choice

A body moves with simple harmonic motion according to the equation x = 2/ $\pi$ ) sin4 $\pi$ t + $\pi$ /3) , where the units are SI. At t = 2 s, the speed of the body is

• A) 1/3 m/s
• B) 1/ \(\pi\) m/s
• C) m/s
• D) 4 m/s
• E) m/s

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