Please help solve Part A/PartB

| Harris County Publ... SALE- Not Your Ave... KPRC 2 Community... HISTOLOGY GUIDE Other A flutist assembles her flute in a room where the speed of sound is 342 m/s . When she plays the note A, it is in perfect tune with a 440 Hz tuning How many beats per second will she hear if she now plays the note A as the tuning fork fork. After a few minutes, the air inside her flute has is sounded? warmed to where the speed of sound is 344 m/s . Express your answer in beats per second to two significant figures. VO AEd ? f'= 3 beats/s Submit Previous Answers Request Answer X Incorrect; Try Again Part B How far does she need to extend the "tuning joint" of her flute to be in tune with the tuning fork? Express your answer in millimeters to two significant figures. AEd