03-04-2009, 06:29 PM
My brain hurts. I started looking for some clues as to why overblowing a flute produces a sound an octave higher and became very bogged down in reading about primary and secondary vibrators.
Can anyone even tell me what "the first natural frequency of the bar (as in xylophone) is given approximately by:
![[Image: spacer.gif]](http://openlearn.open.ac.uk/pix/spacer.gif)
means, or even how to say it? :confused: :confused: :confused:
Can anyone even tell me what "the first natural frequency of the bar (as in xylophone) is given approximately by:
![[Image: spacer.gif]](http://openlearn.open.ac.uk/pix/spacer.gif)
![[Image: TA212_2_ue016i.gif]](http://openlearn.open.ac.uk/file.php/3524/TA212_2_ue016i.gif)