An Object Undergoing Simple Harmonic Motion in the X-Direction Has $\pi$

question 43

Multiple Choice

An object undergoing simple harmonic motion in the x-direction has a period of 2.0 seconds,an amplitude of 5 cm and begins its oscillation at t = 0 at its maximum value of x.What equation could describe its motion?

• A)x(t)= 0.05 sin (2.0t + \(\pi\)/4)
• B)x(t)= 0.05 cos(2.0t + \(\pi\)/4)
• C)x(t)= 0.05 sin(\(\pi\)t - \(\pi\)/4)
• D)x(t)= 0.05 cos(\(\pi\)t)
• E)x(t)= 0.05 cos(\(\pi\)t - \(\pi\)/4)

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