Practice question

MCQ

Question

Which function represents SHM? ( omega is a positive constant)

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Choose one · Correct answer highlighted

5 cos (3omega t + π/6) Correct sin omega t + cos 2omega t e^{-omega t sin² omega t

Explanation

SHM requires a = -omega² x : (a) 5 cos (3omega t + π/6) : a = -5 (3omega)² cos (3omega t + π/6) = -omega² x, SHM. (b) sin omega t + cos 2omega t : Not SHM (mixed frequencies). e^{-omega t : Not periodic. (d) sin² omega t : Periodic, not SHM.

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Which function represents SHM? ( omega is a positive constant)

Options

Explanation

Comments

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