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Physics
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atarasenko
  • Member for 5 years, 10 months
  • Last seen more than a month ago
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18
Why does a ping pong ball bounce higher when it is dropped together with a cup of water?
Jun 28, 2020
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16
Why isn't my calculation that we should be able to see the sun well beyond the observable universe valid?
Jun 16, 2019
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9
How should half-lives be added?
Oct 25, 2022
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4
Hamiltonian of quantum harmonic oscillator with $\psi(x)=\delta(x)$: comparison to classical mechanics
Jan 29, 2019
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3
Is the Taub-NUT solution stationary?
Jan 27, 2019
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3
"Inverse" $N$-body problem
Dec 1, 2020
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2
Euler-Lagrange partial with respect to $r$ of a dot product involing velocity and a vector potential
Jul 31, 2020
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2
Interpretation of Einstein field equations
Oct 31, 2022
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1
Deriving gravitational acceleration from the Schwarzschild metric
Jan 28, 2019
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1
Can I use the expansion of the universe to create or destroy energy?
Aug 13, 2019
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13
How to get Executor for main thread on API level < 28
7
Error inflating class com.google.android.material.floatingactionbutton.FloatingActionButton Instrumentation Test
6
How to close the channel after all producer coroutines are done?
6
Xcode 15 beta 2 - Build Error: "Failed to find or create execution context for description '<IBCocoaTouchPlatformToolDescription: 0x600002588860>'"