physics有關optic and waves的問題
2007-03-08 1:39 am
The displacement x of a simple harmonic oscillator is given by the equation x = 10cos(10t + 1) m, where t is the time in s. What is the amplitude of the oscillation in m? Enter your answer with a rounding error of less than 10%.
回答 (2)
2007-03-08 9:09 am
✔ 最佳答案
since the values of cosine function lie between -1 and 1so -1<1
-10<10cos(10t+1)<10
the amplitude is indeed 10 m
2007-03-08 3:00 am
The amplitude is 10 m.
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