Physics
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Ng Chung Tak
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All Questions Answers
Score Newest
answer
38
Why is snow white when water has no color?
Feb 9, 2017
answer
19
Why do I see three 'beams' when I look to a distant light source at dark?
Jan 12, 2018
answer
5
An approach to the Thomson problem for $N$ electrons embedded on the surface of a sphere
Feb 21, 2017
answer
5
How does light travel perpendicular to a sphere?
Jan 30, 2018
answer
4
Electric field lines?
Jan 29, 2018
answer
4
Why is a bright night sky dark?
Jan 3, 2018
answer
3
How deep is a ocean wave (the extent of tranverse motion of the water below surface)?
Feb 26, 2017
answer
2
Momentum with Constant Acceleration
Feb 2, 2017
answer
2
Why, in Bragg's law, is the word "diffraction" used?
May 12, 2017
answer
2
Prove a force driven by a cross product between a vector and its velocity gives a spiral movement parallel to the vector
Mar 8, 2017
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53
Helix with a helix as its axis
18
Short proof for the determinant of a $4$ by $4$ matrix
13
Why do we (mostly) restrict ourselves to Latin and Greek symbols?
11
Prove $\frac{a^3+b^3+c^3}{3}\frac{a^7+b^7+c^7}{7} = \left(\frac{a^5+b^5+c^5}{5}\right)^2$ if $a+b+c=0$
11
Series of Nested Radicals

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