APFIVE Simple Harmonic Motion Phase Shift
A particle undergoes SHM with x(t) = A cos(ωt). If the phase constant φ is changed to π/2, which equation correctly represents the new motion?
A
x(t) = A cos(ωt - π/2)
B
x(t) = -A sin(ωt)
C
x(t) = -A cos(ωt)
D
x(t) = A sin(ωt)
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