Assignment Definition and 341 Threads

First of all I would like to apologize if I am posting in the wrong forum. I couldn't really decide if this belonged in the general physics, homework, or engineering forums since it involves principles of physics, is technically an assignment, and also has to do with engineering. Anyways...

I don't have any idea on part b and c. Anyone would show me how to do them?

Hey there, I have to do a grade 8 assignment on Antarctica, and prove that this quote is correct: While Antarctica is a difficult place for plants and animals to adapt, there are special flora and fauna found there. I have to also research cold deserts and the adaptation of at least...

Hi, I'm having a few problems with an assignment. Here is the question, and the progress that I've made so far. (If you can call it progress... ) Q) A 500g cylinder of base area a=20cm^2 and height h=30cm is floating upright in water. A 50g mass resting on top of the cylinder is suddenly...

I have this assignment from writing class that needs me to interview successful college students. Help I don't have time to do interview... can you guys give me some answers?! THANK YOU VERY MUCH! 1 WHEN DO YOU EXPECT TO GRADUATE AND WHAT IS YOUR MAJOR? 2 WHAT IS YOUR DEFINITION...

Hi all, I'm in my first year of university physics (mechanics and waves) and am stuck on an assignment question. The question itself is not complicated, but I feel as though I'm skipping over something important. The question is: A 3.8 kg block is pressed against a vertical wall by a force...

Hey Guys I Have Assignment On Poly Crystalline Silicon Farication Process Plzzzz Tell Me About That And Tell Me The Website If U Have Any Thanks.

Hi, I'm currently working on a bio assignment on human karyotypes and I've come across two questions that I've been researching on, but had no luck so far. 1) Why in some karyotype charts is the X chromosome(s) placed at the end of row 3 while the Y chromosome at the end of row 4? my guess is...

hi I am doing an assignment on Galileo in which i have to disscuss and evaluate this quotation: "One of Galileo's greatest contributions to science was the establishment of the scientific method-that is investigation through experiment" Ive done some stuff on the scientific method but i also...

Determine the value of c so that f(x) is continuous on the entire real line if f(x)={ x^2, x<_3 (less than or equal to) { c/x, x>3 I've been trying by just guess and check, but I have absolutely NO idea! Please help!

hey guys I am having trouble with a banking problem i keep getting a sin theta value of 2 therefore i can't find the angle required, any ideas where I am going wrong, below is a copy of my formulas Fnet = (MV^2) / R Fnet = (1000*16.67^2) / 10 Fnet = 27788.89 N Fc = Mac Ac = V^2 /...

I've been set the following assignment on RC circuits that I thought I understood. Turns out I don't: http://www.geocities.com/danielessex/images/electronicsmain.jpg I understand what is happening in the circuit and what it is asking me to do but I don't really know how to go about it...

Hello everyone, Im new to this forum so I am not entirely sure how it works, I have a physics assignment in which i must analyse kinematics, impulse and momentum, friction, energy and circular motion, I am currently working on a car design and i was wondering if anyone could tell me the...

This one, prove it please, I have 5 problems in linear algebra class as an assignment which I have to hand in next week's Monday and I don't know how to solve this problem, the last one; A^-=\frac{(A_j_k)^T}{det(A)}=\frac{(A_j_k)}{det(A)} Thank you

I am stumped on this question. Can anyone advise? The electric charge of an electron is -1.6 X 10 to the -19 power C. What is the force exerted between two electrons separated by one meter?

hey, i am in year 10 and i am doing an assignment on the physics of drums. if anyone knows anything that can help me that would be great. thanks. jack (jackio_14@hotmail.com)

Hi, I'm doing a telomere assignment for biology, and i have a few questions. 1) are they called "telomers" or "telomeres"? 2) when and by whom were they discovered? (i've looked everywhere!) Thank, you. and i must say, those things are fascinating!

URGENT maths - variation assignment HEy got to make a poster and contain at least 3 'real' examples of variation. Direct, inverse, joint, part variation should be featured. for each example show -the type of variation, - an explantion of that particular type of variation, and the...

hey guys, im doing an investigation into the accuracy of the "inverse square law" (any two particles with experience a mutually attractive force yadda yadda yadda) anyway, we have to find various informaiton about the planents. (orbital velocities, centripetal accelerations, etc.) my...

Hi, I am going to submit one of those MasteringPhysics online assignments soon and I was wondering if anyone would be so kind as to check my answers. http://session.masteringphysics.com/problemAsset/1010969/21/MLD_2l_1.jpg The question is to find the tension in the upper and lower ropes...

Ugh! I'm working on my last homework assignment and I can't seem to even get off the ground. :cry: The teacher created a class for rational numbers, and now we are working on some functions for a polynomial class which uses arrays of rationals from his class. My polynomials are arrays of...

OK, so I've got this wacky homework assignment that involves reading stuff out of a .mp3 file. Just to get started, I am attempting to read the first four "bytes" of the file and put them into an (unsigned char) array. I am not really sure if I am reading from the file or not - I can't tell from...

I'm using CAPA now for online homework and I seem to be having some trouble inputting an answer. Last semester I used webassign which I think is so much easier. Anyways, the first question was "Two small spheres with charges 7 and 6 coulombs are held 9 m apart. Find the magnitude of the force...

Hey, my physics teacher handed us this assigment and said have fun. He didn't explain what to do or go over how bridges work. So I was wondering if anyone here has done something similar to this. I believe I can work out the design, but what kind of pasta and glue would be most appropiate to get...

Hey ppl, sorry I was just wondering if anyone knew how to do the question i posted earlier(TWO BLOCKS AND TWO PULLEYS), as I have to submit it and cannot figure it out still!? Thanks...

I was hesitant to post this thread in this specific forum. Although i do not think it would be appropriate in the more physics-centered Homework Help forum. I am creating an outline (as well as a précis) for a short 10 minute presentation i have to have finished in a couple of days. The topic...

Wind Car Theory...for assignment... I am a student and i have to explain the wind car theory. I really need help. I need to come up with equations and real explanation. I'd be really happy if you could help me. You can email me at : ngkho@yahoo.com.hk Sorry again for posting my message here...

[FONT=Comic Sans MS]An underground telephone cable is to be laid btwn 2 boathourses on opposite banks of a straight river. One boathouse is 600 meters downstream from the other. The river is 200 meters wide. If the cost of laying cable is $150 per metere underwater and $80 per metere on land...

soloved :P problem soloved, thanks anyway

I’m reviewing an assignment that didn’t go so well Evaluate limit lim x->-1 (1/2+(x/(x+3))/(x+1) I reduced to (1+2x)/2 = -1/2 I originally had x-1/x=2 but i redid the problem as above Is this correct?

i have a few formula for my physics assignment but i want to know the best way to set it out and what other formula i can use. i already have the formula f=m*a and a=(v-u)/t. i just really need the marks

Guyz please help me ! hey! Could any of u please help me with this question. Its for my general integration theory assigment. 'Use an argumetn by contradiction to establish the following claim: If f is continuous on R and [tex]\int |f|= 0,then f = 0.[\tex] thanx

hi i have two homework assignment I'm kinda stuck on they are very similar i was hoping someone could help me... 1) A rancher wants to fence in an area of 1,900,000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the...

Hi, I am taking a physics class with one instructor and the physics lab with another instructor--it wasn't supposed to be that way, and my lab teacher is always giving me a hard time because of it ( I think he hates me.). Anyway, I need some help with a take-home lab assignment that my lab...

Hi, these are just a few problems from my assignment I am having a hard time with. Any help is appreciated. 1) consider function f(x) = 1/3X^3 - 1/2^2 - 6x + 4 a) find the points on the graph at which the tangent lines are horizontal. b) find the slope of the line tangent to the curve at...

Hello people!~ I have a latest Physics assignment in which I'm stuck! Can anyone advise me on how to go about doing it? The instructions are as follows: 1) Select any Physics Toy. 2) Explain the Physics Principle(s) that is/are illustrated by the toy. 3) Suggest one or more...

At school we have been given a very important research assignment, but my team-mates (we work in groups) and I don't have a subject to research on. Does anyone have any ideas? My team-mates and I would really appreciate it. We were thinking about researching something on rocketfuel (or just...

I am having a problem with two questions for my homework assignment. 1st question: A force of 1 N acts on a mass of 1kg for a time of 1 s. (A)What is the acceleration of the mass? (B)What speed does the mass reach? (C)How far does the mass move? Here is my answer but I think it is...

hi.. my summer assignment for AP Physics is to write a three page paper describing the 'Principles of Physics', and to make a video that properly displays them to go along with it... i am having the hardest time finding the principles.. everytime i search i get links to college courses or...

The average human body has a surface tempreture of 30 degrees Celsius, a skin surface of 1.20m and an emissivity of 1.0. A. If the surrrounding tempreture is 20 degress Celsuis, the body's net rate of heat loss due to radiation is ________ Watts. B. How many food calories must be...

[SOLVED] Nasty Physics Assignment I was given this question by my physics teacher "You were shown a demonstration whereby two cylindrical slugs of metal were allowed to free-fall down a hollow vertical tube made of copper. One of the slugs, a magnet, took significantly longer to fall...