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Physics
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hft
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Cat owner. Salami sandwich enthusiast.

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34
What shape the Earth would have to be for an object in free fall to follow a straight line trajectory?
Oct 21, 2021
answer
27
Is there a more "physically mature" way to think about the right hand rule with electromagnetism?
Oct 21, 2022
answer
25
Zero velocity, zero acceleration?
Mar 3, 2015
answer
16
Why do particles tend to collapse to *energy*-eigenstates (rather than some other basis)?
May 14
answer
14
What does "DC" mean in gravitational physics?
Jun 18
answer
14
How to turn a sum into an integral?
Jul 8
answer
13
Apart from the sine wave, are there any other waveshapes that could be thought of as commonly appearing "in nature"?
May 21, 2019
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12
What makes energy "the" conserved quantity associated with temporal translation symmetry?
Apr 29, 2022
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12
What if the resulted error is so large?
Jul 26, 2022
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11
Does special relativity imply that I can reach a star 100 light years away in less than 100 years?
Feb 5, 2021
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Is it rude to answer your own question yourself after other solutions are available?
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Is direct criticism of another answer in your own answer ok?
8
We seem to be over-eager to downvote
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Let's improve our default guidance for first-time askers
5
Is this "serial downvoting"?
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How do unzip programs check if the password is correct?
25
How to investigate an unknown 1.5GB file named "sudo" in my Linux home directory?
18
How likely is a collision using MD5 compared to SHA256 (for checking file integrity)?
17
Permanently erasing a file
16
Strongest file encryption available