A tuning fork with a frequency of 320.0Hz and a tuning fork ofunknown frequency produce beats with a frequency of 4.5Hz. If the frequency of the 320.0Hz fork is lowered slightly by placing abit of putty on one of its tines, the new beat frequency is7.5Hz.
(a) Which tuning fork has the lower frequeny?Explain.
(b) What is the final frequency of the 320.0-Hz tuning fork?
(c) What is the frequency of the other tuning fork?