Threads Tagged with earth Thread / Thread Starter Last Post Replies Views Climate change and environmentalism are some of my favourite areas of science and from both reading around and going... Mar4-14 09:49 PM .Scott 34 17,386 Earth I attatch a rope of a constant density to the Moon and fasten it down to the surface. I set the other end in space... Feb22-14 06:36 PM D H 67 1,370 General Physics I have idea how to levitate using weak earths magnetic field. It is something like electric propeller - magnetic... Feb20-14 06:50 PM Vanadium 50 12 578 General Physics 1. The problem statement, all variables and given/known data An exponential model for the density of the earth’s... Feb20-14 02:48 AM maajdl 1 136 Calculus & Beyond Homework Redshifting Through Hole in Earth ( 1 2 3 ... Last) I have been wondering what to expect if there was a hole, from pole to pole, that inside which we could measure the... Feb19-14 01:16 PM PeterDonis 88 2,049 Special & General Relativity Research indicates the Earth's magnetic field drives contra-rotating solid and liquid cores. Interaction between the... Feb17-14 06:37 AM MarkkkHennnry 8 3,718 Earth So, I asked myself the question, "why does the earths force of gravity effect us so dramatically on the surface of the... Feb16-14 05:05 AM kindlin 3 149 Classical Physics Hello there, I was taught: a = {v^2 \over R}. I substitute v for the speed of the rotating earth at the equator,... Feb11-14 03:37 PM Jonsson 3 239 Classical Physics 1. The problem statement, all variables and given/known data Find the surface area of the earth (as a fraction of... Feb10-14 05:31 PM HmBe 2 142 Calculus & Beyond Homework I was looking through a textbook, and read that the value of g was determined to be exactly 9.80665 ms-2. I just... Feb4-14 11:00 PM olivermsun 7 320 General Physics So I was just thinking about what would happen if the earth stopped rotating on it's axis. Everything unattached would... Feb3-14 06:25 PM sophiecentaur 16 537 General Physics 1. The problem statement, all variables and given/known data Would the horizontal distance traveled by a projectile... Feb2-14 03:33 PM jdawg 4 172 Introductory Physics Homework :confused: Jan30-14 02:32 PM CWatters 16 537 Classical Physics I'm doing a research paper based on mining asteroids or near earth objects. I was wondering, could we pull/move a... Jan28-14 07:47 AM D H 32 2,848 General Astronomy 1. The problem statement, all variables and given/known data At a certain instant, the earth, the moon, and a... Jan22-14 01:32 PM gneill 7 155 Introductory Physics Homework I was watching a documentary that examines what happens if the earth slowed to a halt in the span of 5 years. One... Jan19-14 08:51 PM Khashishi 6 420 General Physics I'm trying to get a feel for the overall magnitude of the Earth's magnetic field. If I placed a superconducting... Jan17-14 09:19 PM .Scott 2 241 General Physics Given an example of a rifle bullet traveling east or west, why does the bullet deviates HORIZONTALLY? (right on the... Jan14-14 11:07 PM jartsa 10 579 General Physics 1. The problem statement, all variables and given/known data A car drives north at 40mi/h for 10mins then turns... Jan13-14 08:46 AM tiny-tim 4 389 Introductory Physics Homework Object with positive mechanical energy in an attractive force field moves along a hyperbolic path and whose energy is... Jan12-14 05:09 AM AbhiFromXtraZ 11 466 Classical Physics Hi, 1st post. I am interested in the following falsification of the young earth creationist(YEC) viewpoint. The... Jan10-14 03:41 PM Ryan_m_b 1 1,303 Earth Why are Earth's magnetic poles not corresponding with the rotation axis? And the spin direction is opposite of the... Jan9-14 09:40 PM Simon Bridge 5 497 General Physics So I just watched this documentary (or whatever you want to call it) called Evacuate Earth. It talks about a... Jan9-14 03:04 PM Ryan_m_b 29 2,452 Science Fiction & Fantasy Hi All, Assume we have a package that we want it in an orbit with highest possible speed. In which orbit... Jan5-14 02:42 PM tfr000 2 336 Classical Physics Newton showed that F=G(m1m2)/r2 When calculating the force of gravity on the surface of the Earth, why do we use... Jan1-14 06:05 PM mfb 17 695 General Physics 1. The problem statement, all variables and given/known data I am doing a project answering this question: what if... Dec28-13 07:05 PM haruspex 2 327 Introductory Physics Homework For the sake of this challenge, you can assume that the world behaves nicely (everything is continuous, differentiable... Dec21-13 06:47 PM mfb 16 983 Weekly Math Challenges For the sake of this challenge, you can assume that the world behaves nicely (everything is continuous, differentiable... Dec20-13 10:09 AM Office_Shredder 8 714 Weekly Math Challenges Question: Just as in the title. How large can a planet be and still have the earth's mass? Obviously, this depends on... Dec19-13 08:08 AM tadchem 11 1,155 General Astronomy 1) What would happen if artificial satellites in various orbits above the earth exploded? Where would the fragments... Dec18-13 07:22 AM Jonathan Scott 11 1,131 General Astronomy 1. The problem statement, all variables and given/known data With what speed would mail pass through the center of... Dec14-13 05:02 PM mfb 8 617 Introductory Physics Homework Hi, I'm sure this topic has come up before, however, it was always under the requirements of being realistic, i.e.... Dec9-13 01:09 PM K^2 6 516 General Physics Lets say Earth lost its magnetic field 4 billion years ago and lacked geological activity like mars. Would the... Dec6-13 04:44 PM Damo ET 11 1,511 General Astronomy I understand there are two factors: the gravitational forces from the sun and the moon and rotation. Rotation has a... Dec4-13 01:47 PM russ_watters 10 516 General Physics Hello, everyone :-) We have a wooden sphere at a height of h = 1 m above the surface of the Earth which has a ... Nov30-13 10:30 PM Simon Bridge 1 396 Introductory Physics Homework Hi everyone I had this very silly question pop up that unfortunately I cannot find an answer to myself. If an... Nov29-13 02:28 PM rcgldr 17 521 Classical Physics 1. The problem statement, all variables and given/known data I'm an engineering student, and my professor of the... Nov24-13 11:42 PM haruspex 7 474 Introductory Physics Homework If a clear view is available of the horizon,theory says that I'll be able to view the earth's shadow(the curvature of... Nov23-13 11:17 PM Baluncore 1 415 General Physics 1. The problem statement, all variables and given/known data On the Earth the Sun appears to rise and set about 365... Nov23-13 10:03 AM Sara Samuel 3 591 Introductory Physics Homework I have an enigmatic problem that I cannot explain. I have on video the results of this experiment at particular... Nov22-13 01:18 AM beatfrequency 3 518 General Physics