Musicians can use beats to tune their instruments. One flute is properly tuned and plays the musical note A at exactly 440 Hz. A second player sounds the same note and hears that her instrument is slightly "flat" (that is, at too low a frequency). Playing at the same time as the first flute, she hears two loud-soft-loud beats per second. Y Part A What is the frequency of her instrument? Express your answer to three significant figures and include the appropriate units. funtuned = Submit A Provide Feedback Value Units Units input for part A Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Enter your answer using units of frequency. ? Next >