Orbital Definition and 790 Threads

What is orbital angular momentum? Is it associated to the revolution of electron around nucleus?

Homework Statement I'm trying to solve this problem: What's the delta-v required to change a satellite's inclination from Earth's to Mars' plane? Where should the plane change be done for the minimum velocity change? ( Satellite's transfer will be done with Hohmann transfer orbit.)Homework...

Homework Statement by using Newtons law of universal gravitaion and the relationship for the centripetal force, show that the orbital period T for a satellite circling a planet of mass M in orbit of radius r is given by : T= 2pi sqrt r^3/GM Homework Equations none given The...

will the same amount of charge present at higher concentration in the binding region(between two nuclei), give a stronger bond, compared to the same amount of charge present at a lower concentration in the binding region? if so, could it be explained. is this the reason why s-p overlap is...

Homework Statement An Earth station receives data transmitted back in time from a future intergalactic expedition. The table summarizes the data for the moons of a planet that will be discovered in a distant galaxy. Moon 1: only has orbital radius = 5E7 meters Just only this...

Hi, So I'm a phd student of physics, but my research overlaps a little with inorganic chemistry, specifically transition metal oxides and spectroscopies of them. I can glean some information MO diagrams and find them quite useful when writing about what I'm doing... however it's difficult to...

A satellite is in orbit around earth, (you know G, mass of earth, etc. but NOT the radius) is it possible to find orbital period?

Can someone answer one, some or all these questions; Is the orbit of the Earth right now getting more circular or more elliptical? How much? How can we be sure?

Homework Statement From Prussing and Conway (Q1.11): derive an expression for the eccentricity e in terms of the initial speed v, radius r, and flight path angle x (they use gamma). Homework Equations (1) h^2 = mu*a*(1-e^2) [a is semimajor axis, mu is gravitational parameter] (2) h =...

Homework Statement What determines the order of the Molecular orbitals in heterodiatomics? The Attempt at a Solution In my book, I have NO with an order of 1s 2s 3s 1p 2p 4s Where s means sigma and p means pi. Also sometimes I see in the book the ordering being 1sigma...

(Since this is a coursework question and not a homework question, I deleted the template) Both my chemistry and physics textbooks cite cathode rays as having the ability to excite or eject electrons from an atom (e.g., dielectric breakdown, x-ray spectroscopy). How can a stream of negatively...

As we know from gyroscopes, the axis of a spinning object remains in the same orientation. For example, for a spinning object traveling in a straight line, the line of travel we could call a plane and the spin axis in the direction of travel could be perpendicular to the plane and the spin axis...

Homework Statement The question is.. In which of the following atoms is the 3s orbital closet to the nuclues... Br,Cl,At,I first off how are those atoms in the 3s orbital? I thought the 3s orbital where Na and Mg?

Homework Statement Please see attached. I have two questions: how does pr get to be -ihbar (D/Dr + 1/r) ? where does the extra factor of D/Dr come from? one comes from r.del, but what about the other? surely div (r/r) = 2/r? Also, why does [r,pr]=-ih[r,D/Dr] = ih? surely...

Hi, I have read several texts where it says that the paramagnetic behavior of O2 molecule is due to two unpaired electrons in a degenerate pi* orbital. I have not read, however, any comment about the orbital angular momentum of these pi* states. Is there any reason why the orbital...

hey everyone i hope to find the answer to my troubles here :) basically i have written a gravity simulator, it loads bodies from a file containing information on each body. using the orbital elements on each body taken from nasa's HORIZON system, i calculate the position and velocity of...

[b]1. Homework Statement : An artificial satellite revolves about the Earth at height H above the surface. If the radius of the Earth is R, calculate the orbital speed and the orbital period such that a person in the satellite will be weightless. Homework Equations The Attempt at a...

I am not all that great at mathematics or physics or anything like that, though it does interest me a great deal and I am just trying to better understand the theories, so please bare with me here. I have read that the closer an object gets to traveling at the speed of light its mass...

*Please Help* Question related to Orbital speed of star, Keep getting *10^4 to high?? Homework Statement A star has a mass of 2.2*1030kg, there is a planet of mass 4.5*1027kg orbiting it at a distance of 3.1*1011m (also told that it has a "period of wobble" of 9.2*107s due to the orbiting...

i asked to find the number of Atomic orbital of: principal quantum number(n) and the orbital Angular momentum quantum number (L) of the orbital 2s tell me if i correct n=2 and the Angular momentum L=0 ? and in the orbital 6f n=6? and L=3? thanks.

Homework Statement Show that a satellite in low-Earth orbit is approximately P = C(1 + 3h/2R_E) where h is the height of the satellite, C is a constant, and R_E is the radius of the earth) Homework Equations Unsure The Attempt at a Solution I have no idea how to approach this.

How to obtain the coefficients of normalized wavefunction for the hybrid orbital in sp2 hybridization (esp in BH3) , which normally in surds? In what way symmetry affect the linear combination of the atomic orbitals ? Will appreciate if anyone could help or provide some beginning guides , thanks...

Homework Statement In the Bohr model, the electron is imagined to move in a circular orbit about a stationary proton. If the speed of the electron were 8.9e5 m/s, what would be the corresponding orbital radius? Homework Equations The Attempt at a SolutionFe=ma Fe=ma a=Fe/m (v^2)/r=(kqq/r)/m...

I'm probably going to make a fool of myself for asking this, but that's what the anonymity of the internet is for right? (That and other things that you probably won't find at a physics forum) If I understand correctly, and I may well not, the reason you cannot build a device that will...

Planet A and planet B are in circular orbits around a distant star. Planet A is 8.5 times farther from the star than is planet B. What is the ratio of their speeds Va/Vb This problem seems very simple, thought i could just use F=1/r^2, find the difference in forces, which would also be the...

I am analysing the motion of the electron and the nucleus of a hydrogenic atom. I know that the two particles, so to speak, rotate their common centre of mass and that the two-body system is identical with respect to the predictions (e.g. energy) borne out by the system to a one-body system of...

Homework Statement An asteroid is located between Mars and Jupiter. It is thought that a planet once orbited here but was somehow destroyed and broken up into small chunks(perhaps by getting hit by a comet or asteroid). If an asteroid in this belt has an average distance from the sun of 500 *...

Larmor Frequency...spin, orbital or total angular momentum?? For an electron bound in an atom, its orbital angular momentum L precesses around the magnetic field applied B, at the Larmor Frequency...or is it that its TOTAL L precesses around B, while L precesses around this, and its spin...

When in orbit, a satellite is 'falling' with an accelerating velocity as per the simple gravity formula. Yet the Earth is 'dropping' away from the satellite at a constant rate since it is spherical. This means that the 'left over' value between those two rates should cause the satellite to...

Homework Statement In part A I know that I must use L = mu*Sqrt[GMa(1-e^2)], but for the variable 'a' do I use the semi-major axis of Jupiter or the semi-major axis of the reduced mass? Homework Equations The Attempt at a Solution

Dear friends, I've come across this questions when studying biatomic molecules. Here's my problem: You have the following two wave functions: Psi_1 = px(A) + px(B) Psi_2 = py(A) + py(B) here px(A) is the px orbital wave function of the A nucleus, px(B) of the B nucleus and so on...

How fast would a satellite need to travel to mantain an orbit of 30 statue miles above sea level?

In a system of two rotating masses about a point (i.e, the sun), would the reduced mass (used for calculations) trace out another ellipse?

I was wondering, after reading a few posts on various things related to 'The clockworks of the solar system' such as angular velocity and orbital periods,in a 3-dimensional sense, are planets orbital paths all over, or are they flat on one plane, varying in only 2 dimensions? i imagine it...

Hi, I know that the angular momentum eigenfunctions in spherical coordinates are spherical harmonics, Ylm ( \theta, \phi ) \propto (-1)mPlm(cos\theta)eim\phi. Applying the parity operator to Ylm ( \theta,\phi ) means that \theta -> \pi - \theta and \phi -> \phi +\pi. This implies that...

Hi I have questions related to the electronic configurations of elements of d and f-block. First I want to ask a question about the E.C. of Lanthanium. This element has E.C. [Xe]5d16s2, but according to Bohr-Bury rule 4f-orbitals should be filled prior to 5d-orbital and then Lanthanium’s E.C...

The problem is stated here: http://i56.tinypic.com/iderfc.jpg I have included my work until the point I got stuck on. I have worked out problem 9b) but can't figure out how to solve 9a) and 9c) Thank you for any help.

Homework Statement I'm attempting to find the orbital radius for a binary system based on the parallax of the system and angular seperation: 1. A visual binary system that is 5 pc away is seen edge-on (i.e. we are in the plane of the orbit). The maximum angular separation of the two stars is...

Homework Statement An impulse Engine, A, is located in Earth orbit with an orbital period of 9.6 hours. Another Impulse Engine, B, is located in Earth Orbit with an orbital period of 24.0 hours. a) What is the orbital radius and orbital velocity of IEA? b) What is the orbital radius and...

Not sure this is the right section for this question, but it seems the closest so... I'm part of a small team that's working on designing a scifi space-based realtime strategy (RTS) game. One of the things that we'd like to incorporate into the game is relatively realistic Newtonian physics...

Homework Statement What is the mass of a planet (in kg and in percent of the mass of the sun), if: its period is 3.09 days, the radius of the circular orbit is 6.43E9 m, and the orbital velocity is 151 km/s.Homework Equations I'm unsure what formulas to use, though these seem relevant. F=...

Homework Statement Two stars are in a circular visual binary system. The orbital period of the binary is 30 years. The distance to the binary is 20 parsecs. The angular radius of the orbit of each star is 1". What are the masses of the two stars? Homework Equations I am assuming that...

Homework Statement A satellite is in a circular orbit around the sun, radius r_{e}, the radius of Earth's orbit. After a short rocket thrust parallel to its velocity, it is in a new orbit with aphelion at Jupiter's orbital radius, r_{j}. What is the ratio of the speed's just before and after...

Homework Statement I know how to do this problem, I'm just having trouble actually doing it. A particle moves in a force field described by, F(r)=-k(ar+1)\frac{e^{-ar}}{r^2} 1. Obtain the condition for a circular orbit of radius r0 2. Apply a perturbation to the circular orbit and find the...

Homework Statement A satellite is in orbit around a planet. The orbital radius is 34 km and the gravitational acceleration at that height is 2.3 m/s^2 What is the sattelites orbital speed in m/s

Homework Statement Basically says that a geostationary satellite requires a distance of 35 900 km above Earth's surface. I need to find its orbital velocity. Homework Equations The Attempt at a Solution I find the circumference of the orbit = 225566.3525km then change units to...

Homework Statement The polar orbiting satellite NOAA-N was launched in May 2005. The satellite is now moving in a circular orbit above the Earth's surface at an altidude of 870 km. THe mass of the Earth is 5.97 x1024kg and its mean radius is 6.38 x106m. Show that the orbital speed of the...

Homework Statement The orbit of the Space Shuttle is usually circular with an average altitude above the Earth of around 210 miles. The mass of the Space Shuttle on orbit is about 100,000 kg. 1. What is the distance of the Space Shuttle (shuttle) from the center of the Earth? 2...

Problem: Orbital Period - eclipse time - Illumination time ?? Homework Statement An educational institute has decided to launch a small satellite having mass and volume of CubeSat specifications i.e. mass of 1.33kg and volume of 10 cm cube. Due to some launch constraints, there are three...

Hey all, I have a layman's question that's been bothering me for a while. As I understand it, the orbit of a given planetary body around a high-gravity object (like a sun) is determined by the balance between its tangential velocity and the force being applied on it by the high-gravity object...