Question: An all female guitar septet is getting ready to go on stage. The lead guitarist, Kira,who is always in tune, plucks her low E string and the other six members, sequentially, do the same. Each member records the initial beat frequency fbeat,i between her low E string and Kira's low E string.
Rank each member on the basis of the frequency of her low E string
Rank from LARGEST to smallest
3Hz
1Hz
0Hz
4 Hz
3Hz
5Hz