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Physical Fitness
Mark Eichenlaub's user avatar
Mark Eichenlaub's user avatar
Mark Eichenlaub's user avatar
Mark Eichenlaub
  • Member for 13 years, 4 months
  • Last seen more than 1 year ago
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I write physics courses at focused on problem solving at Art of Problem Solving. They range from introductory algebra-based courses to physics olympiad preparation.

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Top posts
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22
How do I avoid straining neck muscles when doing pull ups?
Apr 30, 2011
answer
10
Experiences with 'barefoot' running
Nov 1, 2011
Top network posts
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442
Fourier transform for dummies
320
Find five positive integers whose reciprocals sum to $1$
290
Why are mirror images flipped horizontally but not vertically?
132
Why doesn't the Moon fall onto the Earth?
126
Why am I not burned by a strong wind?