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Aug
13
comment What is blocking the magnetic field of this neodymium magnet?
@gleedadswell yes they are exactly as you describe. Yet still when back to back touching, they literally do not attract or repel at all. It's quite strange. I've tested with a thick wood desktop so I know they can certainly attract from an inch away
Aug
12
asked What is blocking the magnetic field of this neodymium magnet?
Jan
28
answered What sort of jobs do physics graduates with B.Sc/M.Sc get?
Nov
14
awarded  Editor
Nov
14
revised Understanding the concept of period of motion in simple harmonic motion formula
Put a lot of terms in TeX
Nov
13
suggested approved edit on Understanding the concept of period of motion in simple harmonic motion formula
Nov
12
accepted Understanding the concept of period of motion in simple harmonic motion formula
Nov
12
asked Understanding the concept of period of motion in simple harmonic motion formula
Nov
12
accepted Question about finding $k$ in Hooke's Law
Nov
11
awarded  Commentator
Nov
11
comment Question about finding $k$ in Hooke's Law
So whenever I see "weight", for example "the car weighs 2000 pounds", I can read it as "there is a force of 2000lbs acting on it". Is that right?
Nov
11
asked Question about finding $k$ in Hooke's Law
Nov
11
comment Is $kg_f$ the same everywhere in the universe?
Thanks John once again for the great explanation!
Nov
11
accepted Is $kg_f$ the same everywhere in the universe?
Nov
11
asked Is $kg_f$ the same everywhere in the universe?
Nov
10
accepted How much runway does the space shuttle need to land?
Nov
10
comment How much runway does the space shuttle need to land?
Yes! I'm nearly finished! I got $\frac{9}{875}$ as the constant. THen I solved for $v(0) = \frac{875}{9}$ since I converted to meters/second, followed by $v(t) = \frac{50}{3}$ and found the time it took to slow down: $29.42$ seconds. Thank you so much John! (and mythealias)
Nov
9
comment How much runway does the space shuttle need to land?
How does $\frac{dv}{dt} = const \times v^2$ become $\frac{dt}{dv} = const \times v^{-2}$?
Nov
9
accepted Finding the diameter a parachute must be to land a probe on Mars at specific speed
Nov
9
asked How much runway does the space shuttle need to land?