Problema Solution

The rate of vibration of a string under constant tension varies inversely with the length of the string. If a string is 48 inches long and vibrates 256 times per second, what is the length of a string that vibrates 576 times per second?

Answer provided by our tutors

48/256 needs to be cross multiplied with x/576. This will yield 256x=27648. Solve for x and get, 108 inches for the length which is your answer.