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#7
30-10-2012, 03:59 PM
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hi
we can solve it by this relation which could explain why the time of amplitude is 3 the time of half of the amplitude x =Asin(wt and if x = 0.5A we could solve this equation mathematically with the aim that w = 2 pi Nu when Nu is the frequency and then we will get t which is the time of half amplitude = 1 / 3 the time of the amplitude and then we can easily solve this problem thanks bye 
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