Problema Solution
The rate of vibration of a string under constant tension varies inversely with the length of a string. If a string 2 ft. long vibrates at 200 times per second, what is the length of a string that vibrates 100 times per second?
Answer provided by our tutors
Let x represent the length of the string that vibrates 100 times per second
2*200 = x*100
........
click here to see all the equation solution steps
........
x = 4 ft
A string 4 feet long vibrates at 100 times per second.