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Physics
Mark Eichenlaub's user avatar
Mark Eichenlaub's user avatar
Mark Eichenlaub's user avatar
Mark Eichenlaub
  • Member for 13 years, 10 months
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About

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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answer
290
Why are mirror images flipped horizontally but not vertically?
Apr 7, 2011
answer
132
Why doesn't the Moon fall onto the Earth?
Apr 24, 2011
answer
126
Why am I not burned by a strong wind?
Feb 1, 2014
answer
125
Is Earth really a magnet?
Oct 31, 2015
answer
93
Why does the atmosphere rotate along with the earth?
Nov 22, 2010
question
91
What software programs are used to draw physics diagrams, and what are their relative merits?
Nov 9, 2010
question
82
Why is the Earth so fat?
Apr 5, 2011
answer
75
Why doesn't this perpetual motion machine using the buoyant force work?
Nov 11, 2010
answer
73
Is there any disadvantage to sending rockets straight up?
Apr 27, 2015
answer
72
What exactly is heat?
Apr 12, 2011
Top Meta posts
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20
Is there a standard place to point people to learn how to typeset their equations?
19
How do you cite yourself?
16
The Brahms vs. Bieber Effect
11
Should we repeat common questions?
9
Can I ask several related questions in a single thread?
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442
Fourier transform for dummies
320
Find five positive integers whose reciprocals sum to $1$
79
What am I doing when I separate the variables of a differential equation?
73
How to overcome the fact that I can't write?
47
Why does a circle enclose the largest area?