Question

Which of the following functions of time represent (a) simple harmonic, (b) periodic but not simple harmonic, and (c) non-periodic motion? Give period for each case of periodic motion (ω is any positive constant):

(a) sin ω t – cos ω t

(b) sin3 ω t

(c) 3 cos (π/4 – 2ω t)

(d) cos ωt + cos 3ω t + cos 5ω t

(e) exp (–ω 2 t 2)

(f) 1 + ω t + ω 2 t 2

Answer 1

answer hidden...and it is loda Bhupesh...ok