Imray
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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?