Harmonic Motion Trig Question
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Harmonic Motion Trig Question

[From: ] [author: ] [Date: 11-07-08] [Hit: ]
6 seconds what is equation for this harmonic motion?10 pts to best answer-general formtheta = Asin(wt) where A is amplitude in radians and w is angular rate in radians/sec.w = 2*Pi*f or 2*Pi/T where f is frequency in Hz or T is period in sec.w = 2*Pi/1.2 = Pi/0.Theta = 16/40*sin(Pi/0.......
A simple pendulum 40 inches in length is oscillating in harmonic motion. The bob at the end of the pendulum swings through an arc of 32 inch ( far left to far right half cycle ) in about .6 seconds what is equation for this harmonic motion?

10 pts to best answer

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general form theta = Asin(wt) where A is amplitude in radians and w is angular rate in radians/sec.

A = 16/40 radians

w = 2*Pi*f or 2*Pi/T where f is frequency in Hz or T is period in sec.

w = 2*Pi/1.2 = Pi/0.6

Theta = 16/40*sin(Pi/0.6)t
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