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the rate of vibration of a constant tension varies inversely as the length of the string. If a string 30 cm long vibrates 180 times per second, what is the rate of vibration of a string 45 cm long?

Sagot :

Answer:

21 cm

Step-by-step explanation:

cause the string is 30 and thats the mystery degree and 45 would be the cm long so the answer is 21 cm