Threads Tagged with rotation Thread / Thread Starter Last Post Replies Views math.stackexchange.com, but haven't got any responses, so I thought I'd try here] I’m building a model in a 3D... T 02:44 PM chogg 2 359 Linear & Abstract Algebra Why do celestial bodies follow different laws of physics than terrestrial bodies? A non-rotating object has a point... T 08:01 AM AlephZero 5 294 General Astronomy In another thread Wannabenewton mentioned: and gave this reference: Until WBN mentioned it, I had never given... T 12:19 AM yuiop 196 6,052 Special & General Relativity we know that an electron rotates about its own axis.similarly does the electron too rotates about its own axis? and... Mar6-14 02:18 PM ZapperZ 2 173 Quantum Physics Not sure if this is the right subforum, but thinking of this was rather head-ache inducing. Is there any sensible... Mar4-14 11:40 PM WannabeNewton 1 263 General Physics How do I calculate the acceleration of the falling weight? It is hanging from a string which goes through a wheel, and... Feb27-14 10:40 AM Como Bluff 4 158 Introductory Physics Homework 1. The problem statement, all variables and given/known data The problem is as follows. I have two spins, m_S and... Feb24-14 07:40 AM Verdict 0 79 Advanced Physics Homework As known the DNA molecule has got negative electric charge. Imagine that linear (almost like a straight arrow) DNA is... Feb23-14 08:06 AM Eagle9 2 201 General Physics I know that any unitary operator on the spin-1/2 Hilbert space can be identified as a fixed-axis rotation operator up... Feb21-14 11:49 AM cattlecattle 0 254 Quantum Physics Earth has a huge angular velocity regarding its rotation. Now let's imagine that the earth has the velocity of 400... Feb21-14 08:56 AM DaleSpam 1 169 Classical Physics I was trying to deduce the 2D Rotation Matrix and I got frustrated. So, I found this article: Ampliación del Sólido... Feb17-14 07:06 AM Zipi Damn 4 142 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data A general rotation through angle ##a## about the axis... Feb16-14 05:40 AM tiny-tim 3 149 Calculus & Beyond Homework I know very little about mechanical systems, but what kind of small simple gear system can do this; I have a motor,... Feb11-14 09:31 AM DrBwts 3 243 Mechanical Engineering if a rigid body, lets say a disk,is floating in space and we exert a force outside its center of mass will it rotate... Feb11-14 09:25 AM freephoton 2 198 Classical Physics Does a body rotating about an axis also rotate about any other axis? Eg. Cars on a racetrack may be rotating about a... Feb10-14 12:31 PM D H 8 263 Classical Physics There are various explanations for Thomas precession in the literature and I would like to come to a deeper... Feb8-14 04:43 PM WannabeNewton 69 2,487 Special & General Relativity Hi all! Imagine you have an ideal sphere (made of steel or plastics). Then fill it completely with some fluid, e.g.... Jan29-14 02:12 PM mfb 1 174 Classical Physics Using this coordinate system and writing the relationships: \vec{\rho}\;'=R^{-1}(\phi)\vec{\rho} \begin{bmatrix}... Jan27-14 09:18 AM Jhenrique 2 402 Linear & Abstract Algebra 1. The problem statement, all variables and given/known data Obtain the surface area when the curve y=ex, 0≤x≤1, is... Jan26-14 02:40 AM Pranav-Arora 3 145 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Find the moment of inertia of a hollow sphere about a... Jan23-14 03:00 PM ehild 3 184 Introductory Physics Homework Ferris wheel rotation ( 1 2 3 ... Last) 1. The problem statement, all variables and given/known data The Singapore Flyer is te world's largest Ferris... Jan21-14 11:31 PM haruspex 67 849 Introductory Physics Homework Hi, I would like to calculate the pressure inside a liquid planet in rotation. How can I do ? Pressure depend of... Jan20-14 07:30 AM D H 22 723 Classical Physics Hi everyone, here's the situation: Everyone knows that you can simulate artificial gravity by rotating a space ship.... Jan16-14 08:43 PM kurros 5 319 General Physics Hi, As part of an experiment I am doing I have a small uniform circular disc that is submerged in 20ml of a liquid... Jan16-14 10:55 AM deadstar33 7 392 General Physics Consider two cartesian coordinate system xyz and x y z that initally concide. The x y z undergoes three... Jan12-14 07:31 AM Genericcoder 7 292 Introductory Physics Homework 1. The problem statement, all variables and given/known data Hi, I am not sure if this is the right place for my... Jan12-14 04:53 AM theade88 15 546 Engineering, Comp Sci, & Technology Homework 1. The problem statement, all variables and given/known data Suppose an E-field is rotated by angle ř2. Express ř2... Jan11-14 05:32 AM unscientific 2 218 Advanced Physics Homework I'm learning vectors. I read somewhere that if a vectors magnitude is constant, then its derivative is perpendicular.... Jan5-14 10:51 PM Simon Bridge 11 626 Classical Physics Hi, In modern physics aether theories are obsolete, all inertial systems are equivalent. For rotational motion, the... Jan3-14 07:12 PM ZapperZ 80 3,099 Special & General Relativity I'd like some help justifying the approximation that the vibrational and rotational motion of a diatomic molecule is... Jan3-14 03:01 PM williamsn 3 435 Quantum Physics Hi all, Suppose we go in space where no gravity and friction exists. If there is a bar, in say - horizontal plane... Jan3-14 07:34 AM Tanya Sharma 10 524 Classical Physics 1. The problem statement, all variables and given/known data This is more of a conceptual doubt. Why does the axis... Jan1-14 11:51 PM andyrk 5 295 Introductory Physics Homework I was wondering if a galaxy could be perfectly orbiting to create a sort of axis of rotation, with a period being like... Dec20-13 06:45 PM Bandersnatch 4 563 Cosmology Hi there, I am confused. I want to work out the acceleration that a body placed on a wheel of radius 10 mm going at... Dec11-13 10:10 AM mic* 6 473 General Physics 1. The problem statement, all variables and given/known data A merry-go-round is sitting in a playground. It is free... Dec9-13 12:28 AM haruspex 10 684 Introductory Physics Homework It is well known that the evolution of the input reflection coefficient, ρ, of a LTI causal passive system with... Dec7-13 08:05 PM WhiteHaired 0 278 Classical Physics 1. The problem statement, all variables and given/known data A constant horizontal force of magnitude 10 N is... Dec7-13 04:39 AM tiny-tim 2 522 Introductory Physics Homework 1. The problem statement, all variables and given/known data The probelm is to show, that a rotation matrix R, in a... Dec5-13 01:47 PM brmath 7 333 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data A small circular object with mass m and radius r has a... Dec4-13 07:36 PM NATURE.M 4 612 Introductory Physics Homework 1. The problem statement, all variables and given/known data A relaxed spring is sitting on a horizontal surface. A... Dec4-13 01:53 PM nasu 3 520 Introductory Physics Homework