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Danny Han

I'm a freshman in Sungyunkwan University in South Korea. I graduated one year early from high school so that I can learn college math and physics sooner :). I love it when physics use symmetry to derive something.

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  • Suwon-si, Gyeonggi-do, South Korea
  • Member for 3 years, 6 months
  • 26 profile views
  • Last seen 19 hours ago

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Top posts (10) All Questions Answers | Votes Newest

5 Moment of inertia: why $\mathrm dI=r^2\mathrm dm$ instead of $\mathrm dI=m\mathrm dr^2$? Jun 13 '18
4 Understanding rocket problem intuitively [closed] Nov 3 '16
2 Are forces vectors? Jun 12 '18
1 Wave superposition proof? Aug 16 '16
1 Difference betwee $(d\vec r/dt)_{fixed}$ and $(d\vec r/dt)_{not~fixed}$ Dec 2 '18
1 Rotating three (or $n$) times to come back to itself Oct 26
0 What should the $E$ (electric field) represent when using the Gauss Law? Aug 31 '17
0 Friction and energy Sep 22 '16
0 What should the $E$ (electric field) represent when using the Gauss Law? Aug 31 '17
0 Does gravity exist between quarks in a neutron? May 5 '16

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