

InterviewSolution
Saved Bookmarks
1. |
A simple harmonic motion is represented by x(t) = 10 sin(20t + 0.5)Find its amplitude, frequency and initial phase. |
Answer» Comparing the given equation with standard equation of S.H.M. x(t) = a sin(ωt + ϕo) (i) Amplitude, a = 10 m (ii) Angular frequency, ω = 20 rad s-1 (iii) Frequency is given by v = \(\frac{ω}{2\pi}\) = 3.18 Hz (iv) Initial phase, ϕo = 0.5 rad. |
|