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Aug
17
reviewed Leave Open Conducting sphere with a cavity
Aug
17
reviewed Close Why does a motor draw more current stopped or under load?
Aug
17
reviewed Close Dot product of vector and its derivative with respect to time? How does $L \cdot\frac{dL}{dt} = \frac{1}{2}\frac{d(L^2)}{dt}$?
Aug
17
comment why the force of earth on a object is different from the force of object on earth
-1 Unreadable on my device. Put in some effort
Aug
15
reviewed Leave Open Finding height of floating iceblock above seawater
Aug
15
reviewed Close Using Polyakov-Alvarez Anomaly Formula
Aug
14
revised How accurate are constants in cgs units?
deleted 1 character in body
Aug
14
comment Does large acceleration have to cause damage to the human body?
You are not of uniform density. People in these quickly rotating things (austronaut training, fighter jet), can faint due to large G-forced. I think this is quite comparable.
Aug
14
reviewed Reject Are orbiting planets an example of perpetual motion?
Aug
14
reviewed Leave Open How is it that a tachyon is faster than $c$?
Aug
14
revised What interesting physics problems can't be solved because mathematics is not developed enough?
deleted 19 characters in body; edited title
Aug
13
comment “Troll physics”: What is wrong with this perpetual machine?
-1 because the text and figure are unreadable like this to me.
Aug
13
comment Will my car consume more if I plug in my laptop?
@Floris Are you sure this is not accounted for in the 85W?
Aug
13
reviewed Close Why does coke fizz more when you add ice
Aug
13
reviewed Leave Open Put a bullet into orbit around the moon
Aug
12
reviewed Close List of the most fundamental equations of all Physics
Aug
12
reviewed Reject Why do birds, sitting on electric wires, not get shocked?
Aug
12
comment Why do safety helmets have a softer inner layer nearer the head?
What about comfort?
Aug
11
revised Can a transformer transfer all power?
edited title
Aug
11
reviewed No Action Needed Should the universe be modeled by perfect fluid or ideal gas?