Threads Tagged with mass Thread / Thread Starter Last Post Replies Views Ok so when I try to get the centroid of a semicircle using ∫rdm/∫dm, ∫dm = ρ∫dxdy for x^2, but now that the area is... Nov17-13 02:41 PM haruspex 8 526 Calculus & Beyond Homework Posted in wrong section :( Nov17-13 01:00 PM itachipower 0 559 General Physics 1. Most of the atoms in the universe are not in stars but in ionized gas in intergalactic space. The Milky Way has... Nov17-13 08:14 AM Borek 7 545 Introductory Physics Homework 1. The problem statement, all variables and given/known data Saturn has the largest ring system of any planet, with... Nov17-13 02:56 AM Remon 12 933 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data So I'm taking the safe side by posting this question... Nov16-13 09:12 PM Simon Bridge 6 462 Introductory Physics Homework 1. The problem statement, all variables and given/known data O^^^^^^O^^^^^^O ... Nov16-13 05:11 PM rmfw 2 653 Introductory Physics Homework Or, just how big can a gas giant get? I read this article recently: ... Nov15-13 08:58 PM mfb 21 1,936 General Astronomy Firstly, this may seem far fetched... but bear with me. According to uncertainity principle, there is a probability... Nov15-13 04:01 PM Jilang 11 829 Quantum Physics One of the most popular mass loss equations of a star, developed by D. Reimers, is given by: dM/dt = -(4x10^-13) *... Nov15-13 02:56 PM D H 1 1,045 Astrophysics 1. The problem statement, all variables and given/known data Astronomers believe that there is a massive black hole... Nov15-13 02:02 AM Basic_Physics 2 663 Introductory Physics Homework I would rather ask a more general question then the specific hw question... Basically I am wondering how to calculate... Nov15-13 12:27 AM haruspex 2 703 Introductory Physics Homework 1. The problem statement, all variables and given/known data A projectile of mass m is fired from the surface of the... Nov15-13 12:11 AM haruspex 3 699 Introductory Physics Homework 1. The problem statement, all variables and given/known data The descending pulley (disc shaped) shown in the figure... Nov14-13 11:19 AM Pranav-Arora 7 653 Introductory Physics Homework 1. The problem statement, all variables and given/known data Derive m*= mM/(m+M) *hint* total angular momentum... Nov13-13 11:57 PM gneill 11 881 Introductory Physics Homework 1. The problem statement, all variables and given/known data A box with one corner at the origin and the opposite... Nov13-13 03:41 PM scorpius1782 7 663 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data A mass of 9.96*10^-27kg is centered in between two... Nov11-13 05:40 PM rock.freak667 2 636 Introductory Physics Homework 1. The problem statement, all variables and given/known data A spring hanging vertically has a spring constant of... Nov11-13 05:17 PM nasu 1 556 Introductory Physics Homework 1. The problem statement, all variables and given/known data A 3.0 kg spherical flask is placed on a scale and... Nov11-13 05:01 PM nasu 3 767 Introductory Physics Homework Hi All A question that bothering me and I can't find answer for: a charged particle in empty space will generate... Nov10-13 09:45 PM dineshb 7 1,207 Classical Physics 1. The problem statement, all variables and given/known data Water vapor condense in a raindrop with rate μ units... Nov10-13 03:29 PM haruspex 5 591 Introductory Physics Homework This is a more general question: is it always true for a mixture that if we define M(average) such that m(total) =... Nov9-13 07:29 PM mfb 1 726 Biology, Chemistry & Other Homework Is there a way to solve for the tensions in a mass hanging from three strings all in a plane, say? Is it solvable or... Nov8-13 06:28 PM dimitri151 5 634 Classical Physics 1. The problem statement, all variables and given/known data On a frictionless table, a 0.50 kg glob of clay strikes... Nov8-13 09:00 AM Doc Al 18 1,072 Introductory Physics Homework 1. The problem statement, all variables and given/known data A horizontal force of 80N acts on a mass of 6kg... Nov8-13 07:24 AM Big Jock 26 9,503 Introductory Physics Homework Hi everybody. This will be my first post here on PF. :) I'm wondering about the mechanism by which mass causes... Nov8-13 06:04 AM K^2 9 852 Special & General Relativity Hi, experts I got a very naive question. I read the following sentence in a paper: "New results on the production of... Nov7-13 08:36 PM Wenchao.Zhang 5 689 High Energy, Nuclear, Particle Physics 1. The problem statement, all variables and given/known data A girl with a mass of 40 kg is swinging from a rope... Nov7-13 03:01 PM astru025 2 647 Introductory Physics Homework I understand that the center of mass is a point which can be considered to contain all of an object's mass, for the... Nov7-13 08:43 AM mfb 6 690 General Physics 1. The problem statement, all variables and given/known data A monument is made from stone blocks of density... Nov6-13 10:03 PM 012anonymousx 3 785 Introductory Physics Homework Helloo guuuys I've been often reading stuff from this forum and the time for me to get involved has finally came, I am... Nov6-13 08:04 PM wanglikun08 21 2,903 Introductory Physics Homework I have done a little reading on relativistic jets coming out of black holes. No where could I find a hypothetical... Nov5-13 10:48 PM UltrafastPED 1 778 Astrophysics 1. The problem statement, all variables and given/known data Athletes who compete in downhill skiing try to lose as... Nov5-13 05:30 PM haruspex 1 891 Introductory Physics Homework I am interested in the following scenario. Suppose that you have a composite system, e.g. ion, atom or whatever... Nov5-13 04:46 PM mfb 3 563 Atomic, Solid State, Comp. Physics We know,by symmetry,that the center of mass of a uniform sphere is at its center.So we expect the formula ... Nov4-13 06:36 PM Simon Bridge 12 647 Classical Physics I don't know much about the two ideas but I'm confused because the two theories seem to contradict each other, if all... Nov4-13 04:18 PM russ_watters 29 1,286 General Discussion How do we know that the work-energy theorem holds for variable mass systems? Or rather, since I'm sure that we can at... Nov3-13 06:11 PM Philip Wood 4 401 Classical Physics The problem and solutions: http://i.imgur.com/hxlfbmZ.png I was able to solve the first two questions, but I... Nov3-13 04:11 AM scomber 8 755 Introductory Physics Homework There are two problems I am facing, and in each one, they are introducing new terms in the integration but I don't... Nov2-13 11:26 PM SteamKing 6 496 Introductory Physics Homework 1. The problem statement, all variables and given/known data Suppose that a sprial galaxy has the mass profile: ... Nov2-13 11:40 AM bowlbase 4 399 Advanced Physics Homework http://arxiv.org/abs/1310.3904 A Possible Reason for MH ≃ 126 GeV Paul H. Frampton, Pham Q. Hung (Submitted on 15... Nov1-13 07:38 PM mitchell porter 13 1,430 Beyond the Standard Model