About Me
Hey! I am Heather age 43, 5'2". Starting weight is 145.2 (as of 11-22-11)
Starting measurements: waist 32.5"
hips 39" bust 39" biceps 12" thigh 22".
new measurements as of 2-11-12: waist: 32" hips 38.25" thigh 21" bust 36" bicep 11" weight 140#
Weight as of 4-7-13 is 126#!
Lets see what I can do to get more fit, and maybe loose a few inches off the middle!
I am a geology teacher at the high school level, cheer coach, Love the SJ Sharks Hockey and love animals, books and many other fun interesting things!
Check out my website at http://geofaultline.com.
Geofaultline
We’ve talked about aeroelastic flutter and the demise of the Tacoma Narrows Bridge before, but this explanation from Minute Physics does a nice job of outlining the process simply. As noted in the video, the common explanation of resonance is inaccurate because the wind was constant, so there was no driving frequency for the system. (In contrast, consider vibrating a fluid where the response of the fluid depends on the frequency of the vibrations. This is resonance.) Instead the constant wind supplied energy that fed the natural frequencies of the structure such that an uncontrolled excitation built up. (Video credit: Minute Physics)
Physics is FUN!!!!
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geofaultline reblogged this from fuckyeahfluiddynamics and added:
Physics is FUN!!!!
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lifeisjustatheory reblogged this from fuckyeahfluiddynamics and added:
Whoops, I’ve been explaining...bridge collapse incorrectly
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Ha.
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