Question:
The displacement of a particle is represented by the equation y = 3 cos(π/4 – 2ωt). The motion of the particle is
(a) simple harmonic with period 2p/w
(b) simple harmonic with period π/ω
(c) periodic but not simple harmonic
(d) non-periodic
Solution:
The correct answer is (b) simple harmonic with period π/ω
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