7. A x-vave moving at 5.5 m/s passes into a new medium and its wavelength increases to oneandahalf times the original length. What is the new velocity? 8. A \"G\" on a guitar has a frequency of about 196Hz. To raise the note to a \"B" at 24-? Hz. what length would the string have to be shortened to? Assume the original string is 1.0m long