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QuIcKmAtHs

Singapore

I am proficient and passionate in:

Physics
C++ (and C++11)
Mathematics
Chess

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Top Questions

Why do spaceships heat up when entering earth but not when exiting?

temperature acceleration drag rocket-science space-mission asked Dec 31, 2017 at 3:54

physics.stackexchange.com

Finding summation of inverse of square roots.

radicals asked Jan 11, 2018 at 10:25

math.stackexchange.com

Alternating summation and subtraction of square roots

radicals asked Jan 11, 2018 at 8:36

math.stackexchange.com

$\triangle ABC$ has $AC=BC$, and $\angle ACB=96^\circ$. $D$ is a point such that $\angle DAB=18^\circ, \angle DBA=30^\circ$. What is $\angle ACD$?

geometry trigonometry contest-math euclidean-geometry triangle asked Jan 20, 2018 at 11:14

math.stackexchange.com

How does a man move a train with his teeth?

newtonian-mechanics forces everyday-life asked Jan 6, 2018 at 10:44

physics.stackexchange.com

Did Gellert Grindelwald actually die in the movies?

harry-potter gellert-grindelwald asked Nov 27, 2018 at 10:44

scifi.stackexchange.com

Why is copper(II) sulfate added drop by drop during the Biuret test?

reaction-mechanism aqueous-solution biochemistry coordination-compounds proteins asked Feb 28, 2019 at 12:38

chemistry.stackexchange.com

Top Answers

Does a thrown ball have kinetic energy at the top of the curve?

physics.stackexchange.com

Why do objects stop cooling down / losing heat?

physics.stackexchange.com

Parallelogram and similar triangles question

math.stackexchange.com

Paper white and mirror not why?

physics.stackexchange.com

Why doesn't a new ball-point pen write as smoothly as one being written for a little?

physics.stackexchange.com