A cord is 20cm long four complete waves fit along its
A cord is 20cm long, four complete waves fit along its length when vibrated 30 times per second for the waves on the cord. What is the wavelength? What is the frequency? What is the speed?
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part-1identify a research or evidence-based article that focuses comprehensively on a specific intervention or new
a cord is 20cm long four complete waves fit along its length when vibrated 30 times per second for the waves on the
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