Physics
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Puk
  • Member for 4 years, 8 months
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All Questions Answers
Score Newest
answer
47
Why do higher harmonics have a lower amplitude than the fundamental frequency?
Jul 5, 2020
answer
35
Is it possible to convert gravitational energy directly into electrical energy?
May 1
answer
17
Does amplitude really go to infinity in resonance?
Apr 16
answer
15
Why isn't the Doppler effect (for sound waves) symmetric with respect to source and receiver?
Jun 12, 2020
answer
13
Why is the kinetic energy for non-relativistic velocities not described by $KE=mc^2$?
Oct 27, 2020
answer
12
What's the point of an RMS value?
Jun 14, 2020
answer
12
Is 13 really the answer for the "Devil's problem" in physics (a rolling tube with a rod)?
Jun 27, 2020
answer
10
When a ball on a rope swings in a circle, is there both centripetal force and tension force?
Jul 19, 2019
answer
9
What is the difference between uniform velocity and constant velocity?
Jul 21, 2019
answer
9
Why is the electrostatic force felt in straight lines?
Oct 28, 2020

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