Answer to Question #102685 in Physics for sakshi

Question

(i)Suppose that you are pushing a child on a swing, initially at rest, periodically.
(a) Draw a displacement-time graph for the resulting oscillatory motion of the swing. (b) Is it an example of free or damped or damped forced oscillation?

ii) The equation of motion of a particle moving along the x-axis is given by: d²x/dt² + 4dx/dt + 8x = 20cos2t. Calculate the amplitude, period and frequency of the oscillation after a long time has elapsed.

Answer 1

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