A 2.0 kg mass attached to an ideal spring oscillates horizontally with an amplitude of 0.30 m. The spring N
constant is 85
m

Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?