Degrees Definition and 656 Threads

Homework Statement a) State the law of conservation of linear momentum. b) A proton of mass 1.6*10-27kg traveling with a velocity of 3*107ms-1 collides with a nucleus of an oxygen atom of mass 2.56*10-26kg (which may be assumed to be at rest initially) and rebounds in a direction at 90 degrees...

Homework Statement Let f, g be nonzero polynomials with deg (f) \geq deg (g). Show that there is a unique monomial bx^{k} where deg(f(x) - bx^{k}g(x)) < deg (f). Homework Equations see above The Attempt at a Solution I define polynomials f and g, with deg(f) = n and deg (g) = m...

Background info Long version: So I was just putzing around here on the web and started looking at this forum for kicks and giggles. The problem is it was making me a tad nervous so I figure I'll ask. I was originally going to go into mechanical engineering, then I thought EE. I applied and...

I just transfer into a Physics Major. I was wondering if anyone has any advice about completing the B.A degree and masters and/or Ph.D. Also, what are the jobs available in each degree for Physics? Thank you.

Homework Statement shot from 60 degrees 128 cm above ground, a metal ball lands 86.5 cm away. what is max height the ball reaches? Homework Equations d=v1 t + 1/2 a tsquared v2squared = v1squared + 2ad d= 1/2(v1 + v2)t a=(v2-v1) / t The Attempt at a Solution...

When Vo=68 ; k=.027 ; theta = 39 degrees (a) The American Football kicker lines up to attempt a field goal . Take the balls initial position to be the origin. For the field goal to be good it must pass between the upstairs, and over the crossbar which are 10 feet above ground level...

Homework Statement Ax= -4.00 , Ay= -8.00 Please give your answer in the interval (0,360) degrees for theta. Homework Equations Theta = ______ degrees The Attempt at a Solution I tried inverse of tangent (-8/-4) = 63.4 degrees for theta, but its telling me I am wrong...

or What to do after a BS in Physics. Education - http://en.wikipedia.org/wiki/Michael_D._Griffin Dr. Griffin holds seven degrees, and is pursuing his eighth. In chronological order of attainment, Dr. Griffin's degrees include: Degree Year Academic field...

I am studying physics and I love it. However, I think I am not cut for academia's cutthroat atmosphere, nor am I smart enough for it. I was wondering for other grad degrees that offer a stable job and a stable salary while still doing the stuff I like. I read about medical physics, which seems...

Homework Statement An organ pipe is 84 cm long and at a temperature of 20 degrees C. What is the fundamental (in Hertz) if the pipe is closed at one end? Homework Equations To best honest, I'm not really to sure where to start. Can anyone please help? Start me off? Thanks in advance!

Part A Using the equipartition theorem, determine the molar specific heat, C_v, of a gas in which each molecule has s degrees of freedom. Express your answer in terms of R and s. Okay, I know that the equipartition theorem is 1/2k_B*T and molar specific heat is C_v= (1/n)(dU/dT) But I...

Homework Statement A triatomic molecule consists of 3 atoms arranged along a straight line. The molecules can translate and rotate but not vibrate. How many degrees of freedom are associated with this molecule? Homework Equations Molar Heat Capacity of Gases: Cv = f/2(R) f -...

Is a business degree a stable way to go? Are things like entrepreneurship, financial analysis, MIS, investment banking, etc safe when there is an economic crisis, like now? I'm just wondering because I want to get an MBA one day, probably go to Stanford but if it hinders me from having a stable...

If I flip two coins at once and don't care which one is heads in the case of a head and a tail, how many degrees of freedom are there?

"Degrees of freedom" for lines I'm reading something about "degrees of freedom" trying to learn what exactly it means, and there's this one sentence I'm running into that I can't really understand... What is this "the two independent ratios {a : b : c}" ? They talk a lot about how a line on...

Hi, what exactly is 'data mining'? What kind of degrees in college or jobs require good background in data mining? I've always been interested in areas such as pattern recognition, and was wondering what kind of life as a data miner would be. Thanks.

as in the diagram below, mass m1 is placed above mass m2 on a sloped incline with an angle of b degrees. the frictional coefficient between the two masses is C1 and the coeficient between mass 2 and the slope is C2. find the acceleration of the masses...

a stone is thrown at an angle of 36.87 degrees from a height of h=8m and falls to the ground 12m from the point of throwing, given that the acceleration is defined by \vec{a}=-\hat{x}-10\hat{y} find: a the initial velocity of the throw b the total time c the maximum height d the radius...

Homework Statement A rocket is launched at an angle of 75 degrees and accelerates at 21.4 m/s^2. Where is the rocket located (from the point of origin) after 11.2 seconds?Homework Equations a=(vf - vi) / t (vf + vi) / 2 = (xf - xi) / t where: vf = velocity final, vi = velocity initial, xf =...

hmm Test

Hello! I am a bit unclear on degrees of freedom in thermodynamics/stat mech, can someone critique my rational? Here I go: Essentially, the equipartition theorem states that per each degree of freedom it has an energy of 1/2kT associated with it. So, for a monatomic gas, there are three...

Hi, are there any colleges that offer rigorous programs for both MIS and Artificial Intelligence degrees? Also, will MIS/Computational Neuroscience/AI require similar core courses to take? Thanks.

Homework Statement Hello, I have been doing some trigonometry lately, just trying to get the trig I need for calculus, and the book I am reading goes into inverse trig functions. The book dives into trig equations without giving a very good description of how to find the trig functions. I...

Can anyone explain to me why does a figure which can't move from a plain has three degrees of freedom?

The four sided, a=110.50 ft, b=165.27, c=162.18, and d=a slightly curved line of 146. ft-- (from point to point, it still seems to be 146 feet,) anyway---This from a land survey---I believe the distances of width, center point and (height) can "prove" by the angles. The people I have been...

Homework Statement A ball is thrown at the angle 30 degrees with an initial speed of 6 m/s, it takes the ball 3 seconds to hit the ground. Calculate the height where the ball was thrown http://img355.imageshack.us/img355/2407/phyuq7.th.jpg http://g.imageshack.us/thpix.php Homework...

I don't know if the US has programs like that but we have them here at ANU (Aust) http://studyat.anu.edu.au/programs/4714HBENG;overview.html" http://studyat.anu.edu.au/programs/4660HPHB;overview.html" I'm thinking of transferring to the Science one if I can get in. Do you think it'll...

I'm still doing grade 12 physics, so my physics knowledge is VERY limited. So I have a question about proving that a projectile launched 45 degrees above horizontal gives the greatest horizontal displacement. I have to ideas to go about proving this: 1. Subbing Equations I have...

The question is: Ice at 0 degree C turns into Water at 0 degree C and thus gains 1 Kg of mass. What is the original mass of ice?

I've done many other problems like this and understood them all but when it comes to 20 degrees below the x-axis it threw me off. I tried putting the angle to 340 degrees but that was incorrect. I know something has to be negative, i just can't keep guessing at getting it wrong. Hope someone can...

I am given the information that a nerf dart is launched upwards at a 90 degrees with the top of the launcher at 1.953ft and that it hits the ground .43 seconds later. I am then tasked with finding the initial velocity of the launcher and I have no idea where to start.

Find an angle between 0 and 360 degrees for which the ratio of sin to cos is -3. I know this seems to be an easy question, but I am stuck. I appreciate for those helping me.

and at what age did you complete your undergrad and grad degrees and phD if you did it? I have a feeling that after one reaches thirty one cannot progress further... since most famous researchers were still young while making their greatest discoveries... anyways, my feelings aside... I...

Sorry if this question is too simple and shouldn't be posted here. How does slope relate to degree angles? For example , a degree of 1 means a slope of 1/57.29, and a degree of 2 means a slope of 1/28.9916, and a degree of 3 means a slope of 19.08109. and the slope just keeps getting...

in playing a range of frequencies through a speaker 100hz- 10khz what patterns would be found as a microphone is moved from 0degrees in front of the speaker to 90degree perpendicular to the speaker cone that cna be measured with an oscilloscope? i'd expect the high frequencies will become less...

A force, f1, of 5 N acts in a direction 53.1° counter clockwise from the x-axis. A second force, f2, is given by f2 = 6i-3j N. What is the angle in degrees between f1 and f2? thanks!

Hi, I am doing some undergraduate work in Sweden, and for one of my tests, I need to place a material at -40 to about -50 degrees Celsius for a short period of time for thermal cycling. Unfortunately, my access to equipment is rather limited here The current method we're using is just wrapping...

Hello. May I get a description of the common degrees offered by academic institutions (bachelors, masters, professional, PhD) and what kind of work/duties/options would each of these open/close for an individual? I'm interested after I heard a comment about "PhD holders rarely considered for...

Dear PF, I have a question about degrees of fridom. Electron is 1/2 spin particle so it needs 2 component wave function. But instead haveing 1 equation of second order we linearize and have two equations of order 1 for two spinors and these two equations can be re-written in one equation...

I plan to take mechanical engineering and my university also offers the option of completing a concurrent degree in any area I wish. However, this process will take 5 years as opposed to 4 meaning I'll have to pay tuition/rent/expenses for an extra year. Would getting a mechanical + medical...

Please can someone help me with these two problems: A man is holding an 8.00 kg vacuum cleaner at arm's length, a distance of 0.550 m from his shoulder. What is the torque on the shoulder joint if the arm is held at 30.0 degrees below the horizontal? A 15.0 kg child sitting on a...

A little birdy who is apparently too shy to post asks the following: I have a doubt: considering the 360º for earth, and if it takes 24h to a complete rotation, why 1º corresponds to 60 min? It should be 4 min...

hello I wanted to know what happens to the level of turbulence when air pass through a 90 degrees pipe bend (where in the bend turbulence is greatest). I want to design a pipe to reduce turbulence through 90 degrees. I know its obvious that level of turbulence increases but i am puzzled as...

Eigenstates: What would happen if you had a laser aimed at a mirror 45 degrees... I know this post might fit under some of the other post in this forum but i would like to ask it as a new topic because I am just getting into a lot of Quantum information ever since I noticed this part of the...

Math and Physics. Right now I'm a math major but I might switch to physics. what type of jobs are there for these degrees? Besides being a professor of course.

Hello all, I have a question, that regards a problem I was assigned. The problem is: Why is kinetic energy NOT proportional to degrees F/C? -I understand it has something to do with absolute zero Kelivn...not C. Thanks Any help would be greatly appreciated...I need a response by tomorrow...

Has anyone here had any experience with the Professional Science Masters degrees? See the link below: http://www.sciencemasters.com" I'm looking specifically at the physics degrees offered by USC and the University of Arizona. I would appreciate any first-hand experience or comments...

[SOLVED] 10m Steel Wire Length/ +20 Degrees C Homework Statement 10.00-m long steel wire supports a pendulum bob at its end. How many millimeters longer is the wire when the temperature increase by 20.0 C Homework Equations (Delta)L = La(Delta)T or Change in Length = Length * linear...

I'm wondering what some of you think, say you're doing an Engineering degree or something related, or anything else for that matter...and you have other siblings who also go to university while there is only one computer in the house, would having a personal laptop or computer for yourself be...

i found this in a textbook. at a high altitude the temperature of the atmosphere is 500 degrees centigrade. yet an animal there would freeze to death and not boil. why does this happen?