Coursework Definition and 158 Threads

Homework Statement A 20kg child jumps in the air to try to shoot free throws while his older sister is practicing basketball. His center of mass is normally 30cm off the ground. The lowest he can get his center of mass is 20cm off the ground, and the highest he can get it before he can no...

It it normal to like physics research better than solving problems for coursework? Is physics coursework in the U.S. is too problem-solving oriented? Thanks

Homework Statement sorry but I'm confused is it okay if i say 2 \leq 2 or 1 \leq 2 and this example i know this is true "if p is prime then p>1" but is this true? "if p is prime then p>-20" its true right? because the generality doesn't change

Say I enter PHD w/ an outside MS. What percentage of coursework can I usually transfer? How many semesters classes need I retake? I'm thinking of an MS in signal processing in EE, if that makes any difference. thanks.

Homework Statement Assume that the vast majority of the photons in the present Universe are cosmic microwave radiation photons that are a relic of the big bang. For simplicity, also assume that all the photons have the energy corresponding to the wavelength of the peak of a 2.73K black-body...

1. Homework Statement Ok I have been given an assignment and asked to answer questions about a lorry loaded and unloaded. the Text is as follows: An unloaded lorry of mass M kg accelerates from rest and reaches a velocity of 30mph in 10 seconds. It then travels at constant velocity for half a...

1. The problem statement I am an A level student and my coursework presentation is due in next month. the materials i wanted were taken and i was stuck with kevlar. I'm strugling to find many links that go in depth about the mechanical & electrical properties also about free electrons all i...

Homework Statement The coursework I'm doing is about the efficiency of elevators. It's simple enough, but I have to outline some points in my coursework summary and there's nothing relevant to them on the internet. Homework Equations N/A The Attempt at a Solution One of the...

Homework Statement A student pulls a box of books on a smooth horizontal floor with a force of 138 N in a direction of 23.9° above the horizontal. If the mass of the box and the books is 51.6 kg, what is the acceleration of the box? Homework Equations The Attempt at a Solution I...

Hi guys, This is my first post on this forum and I was hoping you could help me. I'm in the middle of my coursework and I need help working out velocity, here's the info: Height (cm) Distance (cm) 2.4 20 3.7 30 Average Time (Sec) Speed (cm/s) Velocity (cm/s)...

Basically I want to Calculate the internal resistance of a solar cell. I set up a circuit with a voltmeter across the solar cell and an ammeter and variable resistor in series with the solar cell. The variable resistor is the load. Image at...

Hi, I'm in 11th grade and I am working on a coursework piece where I'm investigating whether the beats per minute (bpm) of a song affects heart rate and have all the results. my problem is that I'm not sure what math i can do with the data. I have so far worked out the R2 coefficient and...

I am doing a project about using cosmic rays to detect contraband in cargo, and while I've been fine with collecting the data etc it's writing the introduction I'm having trouble with (so maybe this would be better in the lower level homework help forum as I only need to keep it basic at this...

Homework Statement A diffraction grating of 3900 slits per centimeter is used to analyze the spectrum of mercury. (a) Find the angular separation in the first-order spectrum of the two lines of wavelength 579 nm and 577 nm. (b) How wide must the beam on the grating be for these lines to be...

Which topic to pick for physics coursework??!? For our physics coursework we can choose any topic around physics to talk about and I am stuck on which one to do. A good topic will be one that I can link many other aspects of physics to it, for example quantum or something else. Previous done...

Hello Hello, I'm an upcoming Freshman at Texas A&M and am entering the Nuke program there. Just curious as if there is some material I can get my hands on to expose myself to the topics going to be discussed, before the official start of school. I don't need university specific texts, just...

Homework Statement I have to design a controller for "Cruise Control System" using Root Locus method. Homework Equations We havnt studied that method yet and nor do I think it is in the course outline. Actually that is why I selected root locus so that I can learn something beyond the...

Hi guys, I am trying to work out ρ in an experiment. Ive got down to ρ/AxV = 6.4 I know V = 2 and A=0.0907mm, but it should be m. If i then work it out i get a stupidly small answer. Anyone help me out. Its like 0.0016096

Homework Statement find the young modulus of copper through calculating the stress and strain, plotting on a graph and finding the gradient of the linear part of the graph Homework Equations ym=stress/strain stress=force/ area strain= extension/length The Attempt at a Solution...

Homework Statement I have attached the question for my coursework on stoke's law. i have posted a thread about this before here, but i thought it would be better to scan the question and post it.Homework Equations The Attempt at a Solution I have attempted it but am not sure exactly how to and...

Homework Statement You are provided with a solution of hydrogen peroxide which is known to be approximately ‘100-volume’. Plan two experiments that would enable you to determine the exact concentration of H2O2 in mol dm-3, in this solution Homework Equations 2H2O2 (aq)...

did an investigation on Transformers- something I thought would be a good idea. The aim was to find out how the amount of resistance put onto the transformer affects the power loss. By having a step-up transformer 300 turns on the primary and 600 turns on the secondary, then by connecting a...

Hi guys, I am currently in my AS year and a piece of coursework on resistivity of metals, how you derive the equation. But for the coursework i have to write an abstract on it, linking my experiment to a case study, does anyone have any good websites or information to help me out. This is...

I've decided to go back to school to study physics. I was a physics minor the last time I was in undergrad, and have an undergraduate math degree an undergraduate computer engineering degree as well as a graduate degree in electrical engineering. So, after meeting with the dean of...

Homework Statement Objective - Record the time taken for a pendulum to complete a full oscillation. Using the equation Time (t) squared = k multiplied by length of string ( l) Homework Equations Any relevant equations to do with oscillation that could help me with this practical...

Poisson's Ratio coursework - Urgent help needed! hello, I'm currently working on a coursework for my A2 physics on Poisson's ratio i'm finding the ratio for aluminuim using aluminuim foil and strain gauges, adding masses to a clamp on the end of the foil (so foil is under tension) and...

I have a physics coursework introduction to write and I'm pretty much done except for the part that says you have to give a historical/social context. The topic I'm doing is the resistivity of a wire. My teacher suggested that there was a building in America that had been wired with a...

Hi For my physics coursework I want to investigate the energy lost due to friction when water travels along an piece of guttering. However there seem to be many different and complex equations for this, which seems to depend of the type of flow etc etc Could anyone help by telling me...

For my as Physics Sensing Coursework, I have chosen to do it on 'using thermistors as simple thermometers' Can someone please help me on how to set up the circuit. And how i do i get and use the measurements. Thanks! In advance! !

Homework Statement An unstretched spring has a length of 0.30m. When the spring is stretched to a total length of 0.60m, it supports traveling waves moving at 4.5 m/s. How fast will waves travel on this spring if it is stretched 0.90m? Homework Equations ? The Attempt at a Solution ?

Homework Statement I have coursework on rhe convolution integral, however i am struggling to find the equation of motion to start the whole thing off with. I will attach a picture of the problem, is is simply a cantilevered bar with a concentrated mass on the end and a damper. Homework...

The Problem I'm doing Salters A2 Physics coursework. Have chosen to do attenuation of projector slides but need some help with project variation. I feel that just finding an attenuation coefficient for the material that the slides are made from will give me few measurments and therefore not...

if the vector x and the scalar m satisfy the eqs. a x x = m + b and a.x = 1 where a=i+2j, b=2i+j-2k Find the value of m and the expression ofr the vector x in terms of i,j and k

A child's helium-filled balloon escapes at sea level and 20.0°C. It reaches an altitude of 3330 m, where the temperature is 5.0°C and the pressure only 0.65 atm. What is the ratio of its volume at this altitude to its volume at sea level? PV/T=PV/T i got .94

So I will probably transfer to an engineering school for next fall, but in the mean time I want to take the best classes I can to prepare. I am taking Linear Algebra and already had Diff. Eqns. Out of: Analog Circuits (a computer engineering course) Quantum Mechanics (a physics course)...

Back when I was doing A-Level physics we were given a coursework assignment that seemed rather ridiculous, which I've been thinking about recently. We were charged with measuring the electrical resistance of a standard household brick at different temperatures, using only equipment we could find...

Hello there, I just needed help on this following problem, its a biology coursework i am doing and it states that, The 1% vitamin C Solution contains 1mg of vitamin c in 1.0cm3. Calculate the mass of vitamin c that is required to decolourise 1cm3 of the DCPIP solution. then use this value to...

I know it may sound strange, but I by time I finish my undergraduate degree in physics at my current university, I will have taken the graduate Stat. Mech sequence, Quantum Sequence, and Classical Mechanics Sequence. And, no I don't mean the senior level/graduate split course work, I have also...

Hi guys, I thought this would be the best place to post, We are currently preparing for our physics course work assignment (I am in year 13, 17 years old, in the UK). We have to come up with at least three idea before we decided on one to do. Now I have thought of quite a few but I don't...

I am trying to decide how to best approach becoming a stronger teacher of Physics at the high school level. I am teaching General Physics for the first time this year. My background is Biology/Env. Sci. I had 8 hours of Physics (w/lab) and 8 hours of Calculus as an undergrad but that was over...

I'm studying AS Physics, and we're doing the sensors project for our coursework. WE can use LDRs, Thermistor, rotary sensor and a variable resistor (length). I have to think of a context to the measurements, and our teacher wants it to be witty and original, but have no ideas! Examples of...

Homework Statement I have been facing constant problems in solving questions about friction. I wish to formulate a general method of solving such questions. http://img71.imageshack.us/img71/3535/frictionzf3.jpg Here u1, u2 and u3 are friction coefficients. (Assume kinetic coefficient to be...

As part of my A2 advancing physics coursework i must decide on a pratical and plan and carry it out then write it up. Sounded easy at first but i cannot think of anything that would be interesting and easy to get decent results from. Any ideas or suggestions would be really appreciated...

well guys i need ur help, my coursework is out now n i don't know wat to do ... its lil bit difficult or maybe i can't understand it... the coursework is given below Scenario A medium-sized manufacturer of component parts for an industry takes forward orders by means of a Web...

Homework Statement (This isn't a homework problem; I'm just working through Griffiths' "Introduction to Electrodynamics" textbook, and can't find a very clear explanation.) When the relationship between electric field and charge distribution are given by: \nabla \cdot E =...

Following are my business courcework involving some linear algebra? Have i stated my idea clearly?

My friend – a former TA in astronomy, who's completing her PhD in Astrophysics – suggested to me that graduate programs may be fine with acing the Physics GRE subject test in the stead of posted grades in coursework. I know I'll have to ask the specific graduate programs, but since some of you...

hi, for my as level physics coursework i need to write a plan about investigating the expansion and contraction of wood in relation to temperature. I think i'll use a constantan alloy strain gauge to measure the strain of the wood since i do not intend to measure a temperature range more...

Homework Statement Okay so, we weren't given much of a question other than "Prove the Earth's GFS is 9.81 N/KG" So what I'm asking is, with the data that I have collected, is how I go about doing this? As it stand we set up an experiment with the ticker tape machine, rolled the little buggy...

I have done a large amount of research (but being only an A level standard physicist probably not understood a lot of it) into antimatter, and why our universe is made primarily of matter and not antimatter... I think I've bitten off more than I can chew in a way as I seem to find myself trying...