Threads Tagged with mass Thread / Thread Starter Last Post Replies Views Forum Hello All, I have measured acceleration data from the sprung mass of vehicle, travelling at (almost) constant speed.... Jun27-13 02:53 AM tduell 0 203 Classical Physics 1. The problem statement, all variables and given/known data I need to work out the following; A spherical mass of... Jun26-13 06:53 PM vadevalor 15 585 Introductory Physics Homework 1. The problem statement, all variables and given/known data See the image. 2. Relevant equations T=Iα, F=ma,... Jun26-13 10:36 AM Ampere 2 329 Introductory Physics Homework This is a similar answer to a closed thread, which asked for the amplitude of a pendulum as a function of the bob's... Jun25-13 06:36 PM bgc 0 213 Classical Physics can mass be created from energy? Jun24-13 08:02 PM Drakkith 5 524 General Physics My understanding is that the presence of energy and matter curve spacetime. Is a photon considered energy? If... Jun24-13 07:09 PM 49ers2013Champ 20 823 Special & General Relativity Hello, can someone explain to me what is the difference between center mass acceleration and angular acceleration? If... Jun24-13 04:27 PM collinsmark 1 337 Introductory Physics Homework 1. The problem statement, all variables and given/known data Oxgyen gas generated in the thermal decomposition of... Jun23-13 04:52 PM Borek 5 500 Biology, Chemistry & Other Homework Why are centre of mass of all uniform symmetric bodies at there geometric centre? We know the following result:... Jun22-13 04:39 PM pongo38 9 347 Introductory Physics Homework Hello everybody I am a first year student and I have a question about stars' masses. I've been thinking about,... Jun22-13 01:32 PM DaleSpam 3 320 Special & General Relativity According to the theory of relativity, the universe should expand from the center (place of Big Bang) with a maximum... Jun22-13 09:29 AM petergreen 3 506 Cosmology I have two problems actually: Problem 1 1. The problem statement, all variables and given/known data What... Jun21-13 04:58 PM Borek 1 417 Biology, Chemistry & Other Homework Hello everybody, I am a first year physics student and I've got two more questions. Assuming that particles in a... Jun21-13 01:44 PM WannabeNewton 1 521 General Physics 1. The problem statement, all variables and given/known data Use: ##\beta =\dfrac {\overline {u}} {c}=\dfrac... Jun21-13 01:25 PM knowLittle 23 615 Advanced Physics Homework 1. The problem statement, all variables and given/known data A cat walks along a uniform plank that is 4.00m long and... Jun21-13 12:16 PM agentlee 9 334 Introductory Physics Homework Hi, i just perfomed a differential distillation experiment, the initial solution cointaned ethanol-water solution with... Jun20-13 11:52 AM gpmattos 2 1,187 Materials & Chemical Engineering I've been thinking about mass and the question occurred to me: If a particle is completely inert i.e. absolutely no... Jun20-13 10:56 AM DaleSpam 11 798 General Physics 1. The problem statement, all variables and given/known data http://i.imgur.com/swhKirX.png 2. Relevant... Jun20-13 04:11 AM rude man 8 387 Introductory Physics Homework 1. The problem statement, all variables and given/known data A 20.0 kg block rests on a frictionless inclined plane... Jun20-13 01:49 AM Bill Nye Tho 3 316 Introductory Physics Homework Hi. I have played the first Mass Effect and some of the second ME, and I have always thought the Mass Relays were,... Jun19-13 04:12 PM bp_psy 6 772 Science Fiction & Fantasy The result of the Kallen-Lehmann spectral representation is that the two point correlation (and thus also the full... Jun19-13 09:12 AM andrien 3 418 Quantum Physics I just got unit work of light and mass, and know NOTHING about it, and the site has no resource links. Can someone... Jun14-13 02:30 PM mfb 1 465 General Physics What is the radius of a photon's circular orbit around a mass M? My guess would be the Scharzschild radius. Is that... Jun14-13 11:48 AM Bill_K 4 414 Special & General Relativity I was reading some articles and discussions on the topic and got confused when I read that conventionally photons and... Jun14-13 09:58 AM ZapperZ 6 594 General Physics Hi Everyone. In the Resonaances blog, I recall that it was mentioned there that the particle physics group at CERN... Jun14-13 09:44 AM mfb 2 730 High Energy, Nuclear, Particle Physics Greetings people of Physics, I was just having a think about E=MC2 (as is common with people these days...... Jun13-13 11:44 AM lightarrow 19 1,412 General Physics 1. The problem statement, all variables and given/known data... Jun13-13 01:18 AM LovePhys 2 293 Introductory Physics Homework I'm looking at a general problem in which a skier is going downhill. I understand 'mathematically' how the mass will... Jun12-13 11:21 PM WannabeNewton 18 872 Classical Physics In Peskin at page 248 he finds that if he calculates the vacuum polarization that \Pi(q)^{\mu \nu} \propto g^{\mu... Jun12-13 09:29 PM Physics Monkey 4 457 Quantum Physics 1. The problem statement, all variables and given/known data Consider the classical system of a mass of one kg... Jun12-13 09:15 AM voko 12 352 Introductory Physics Homework 1. The problem statement, all variables and given/known data 22) A 1-kg rock is suspended from the tip of a meter... Jun11-13 03:14 PM gake 11 1,264 Introductory Physics Homework Hello, I was reading over a article on hydrostatic equilibrium of stars. I came across a chapter stating... Jun11-13 12:16 AM shounakbhatta 16 1,277 Astrophysics 1. The problem statement, all variables and given/known data 1) A cylinder with an initial volume of 1.5 m3... Jun10-13 08:16 AM Chestermiller 1 277 Engineering, Comp Sci, & Technology Homework I was looking for a frequency by calculating the wavelength, and I found the answer. However, I have no idea where I... Jun8-13 05:13 PM theChosen1 3 443 Quantum Physics 1. The problem statement, all variables and given/known data My upper grade teacher in physics has lack of... Jun8-13 01:41 PM rude man 1 265 Introductory Physics Homework What exactly is center of mass, and how do I calculate in three dimensions? Also, I need to know how to calculate it... Jun8-13 02:38 AM tom.stoer 2 428 Special & General Relativity I'm aware that this Topic is generally considered hypothetical, but at least I'm not talking about something that... Jun7-13 11:48 AM DaleSpam 13 900 General Physics Hi guys, I have a question about the mass of the universe, and inflation/dark energy. As I am sure you know,... Jun5-13 11:55 AM Naty1 37 1,887 Cosmology In MS-bar scheme, the mass m is not the physical mass but runs with scale. The physical mass should however be... Jun3-13 03:31 PM Jolb 1 337 Quantum Physics Vibrations and Waves, A.P. French, questions 3-9 Please /do not/ provide full solutions. Just suggestions. 1. The... Jun1-13 08:53 PM AJKing 4 312 Introductory Physics Homework