Get answer: Answer 18 without referring back to the text. Fill in the blank or answer
Chapter 3, Problem 8(choose chapter or problem)
Answer Problems 1-8 without referring back to the text. Fill in the blank or answer true/false.
If simple harmonic motion is described by \(x(t)=(\sqrt{2} / 2) \sin (2 t+\phi)\), the phase angle \(\phi\) is ______ when \(x(0)=-\frac{1}{2}\) and \(x^{\prime}(0)=1\).
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