Hello guys!
I'm REALLY and i mean REALLY frustrated due to the fact that i just can't solve this stupid assignment!
I did a experiment at school with a weight attached to a spring. The weight was then set to do some swings where it sink into some water, a so called damped oscillator. I...
Homework Statement
A man stands at the top of a 50.0 m cliff hanging over a calm pool of water. The man throws the two balls vertically 1.0s apart and observes that they cause a single splash when it hit the water. The first stone has an initial velocity of +2.0 m/s.
a) How long after relese...
Homework Statement
Write a program that that prompts the user for a filename of data, reads the data from the input file, smooths the data using the average value of the cell value and all of the nearest neighbors
-9 cell average for interior cells
-6 cell average for edge cells
-4 cell...
hey guys!
i want to start a new project in my college with my friends...
we have thought of something like converting vibrational energy to electrical energy with the help of peizoelectric crystal!
please can anybody point us to direction as where to start practically.. we have theoratical...
Homework Statement
Container A holds an ideal gas at a pressure of 5x10^5 Pa and a temperature of 300 K. It is connected by a thin tube (and closed valve) to container B, with four times the volume of A. Container B holds the same ideal gas at a pressure of 10^5 Pa and a temperature of 400 K...
Homework Statement
Container A holds an ideal gas at a pressure of 5x10^5 Pa and a temperature of 300 K. It is connected by a thin tube (and closed valve) to container B, with four times the volume of A. Container B holds the same ideal gas at a pressure of 10^5 Pa and a temperature of 400 K...
Feel Free to give tips or answers to any or all of these questions
Homework Statement
1. Two Point charges qa and qb are located on the x- axis at x=a and x=b on the graph of E the x-component of E.
a) What are the signs of qa and qb?
b)What is the ratio of|qa/qb|?
c) Draw a graph of...
Well, first i will have to make an apology for putting the question in this forum, but was not really sure where else i could put it. :)
The assignment is:
The number of oil tankers, arriving at a certain refinery on one day, follow a poisson distribution with the parameter µ=2. The present...
I'm doing an assignment on approximations for calculus and I feel that I don't really have a strong background and was hoping that someone maybe has a website, or even a few pointers, so that I can better my understanding.
Right now I'm working on "Find two term approximations for the...
This is our very first assignment in C++, from the very first week of class so we don't know a whole lot yet. Keep that in mind.
Homework Statement
Write a program that will:
-input someone's height in feet and inches
-output that person's height in centimeters
-output the weight in...
Vibrations Assignment Please Help!
Homework Statement
A pendulum takes 0.5s to swing from its hgihest point to the equilibrium position. What is the frequency of the pendulum?
Homework Equations
f = 1/T
The Attempt at a Solution
So would it be this?
f = 1/T
f = 1/0.5
f = 2Hz
Substitute each capital letter in bold by a different digit from 0 to 9, such that (TAU).BETA when rounded off to the nearest integer is equal to PI, and the absolute difference of (TAU).BETA and PI is the minimum. Each of T, B and P is nonzero.
Im fairly new to this forum and wasnt sure where to post this thread
also I am fairly new to physics and not so sure if I am saying things right haha
so hope this is alright
im doing a research assignment based on formula one, and was wondering if anyone could suggest a good aspect of...
Hi out there! I've been handled 3 questions which for me is rather hard and therefore I'm asking the experts.
Any help would be great:)
Donkey Kong
Question 1)
A circuit consists of a 15Ω and a 30Ω resistor connected in parallel across a battery of internal resistance 2 Ω. If 60W is...
Hi,
first I want to apologize for my english. I'm not from an English speaking country and I have to practise.
I have a quite interesting physical assignment for you. I was trying but I still can't solve it.
If you would have an idea or if you would know how to solve it please let me...
Homework Statement
QUESTION 3
Assume that the pulley at A is a small frictionless pulley. The cord AB, and the cord supporting the block are made from the same cord.
Determine the maximum weight rounded down to the nearest Newton of the block that can be suspended in the position shown if...
I am a third year student of Integrated M.Sc. Physics in India. My primary research interest is General Relativity, Quantum Gravity and the study of black holes.
I decided to apply for a summer fellowship in IAS ( Indian Academy of Sciences), where I clearly mentioned my research interests as...
Homework Statement
A thin rod of lenth 1.5m is oriented vertically, with its bottom end attached to the floor by means of a frcitionless hinge. The mass of the rod may be ignored compared to the mass of and object ixed to the top of the rod. The rod, starting from rest, tips over and rotates...
can anyone tell me what exactly a machining center is?
from googling it i find lots of sites that are selling cnc machines..
can anyone give me a link that has detailed info about cncs their uses and purposes working etc..?
any help will be appreciated
thanks in advance
Homework Statement
The assignment is to compute the motion of a pendulum in C. The relevant information is listed in this document: http://home.orange.nl/~kuip3148/pendulum.c
It says which values to use for the variables, the relevant equations and has the value of NSTEPS, DT and...
I am in the process of completing an assignment where i have to make conjectures. As of now I have made conjectures that for function P(n)=(n^x)-n is divisible by x for all x that are prime numbers,
And that for x choose r=k, k belonging to the natural numbers, that k is a multiple of x when...
Need Help With My Unit Assignment!(DUE December 5th)
Ok guys I really need help with My Chemistry Unit Assignment, it is due in a couple of days and I haven't even started it because I don't really understand it. My teacher sucks at teaching and I also pay attention to him everyday. It is 5...
Unfortunately, I'm totally lost on this question. I read the topic in the archive, and I know I can't ask for an answer to this, and frankly I don't want one. But is someone able to give me the process for doing this?
Homework Statement
A cart loaded with bricks has a total mass
of 24.3 kg...
Homework Statement
Can someone please help A.S.A.P. I have a science assignment due tomorrow and it's 11:00 and I'm getting very frustrated. I'm about to go to bed and i'll forget about it in the morning.
Ok i have 3 pictures. i tried drawing them on paint but it won't work, any ideas on...
Homework Statement
hello, i really need help with my calculus assignment please. i looked over it many times and still no idea how to do it, what we have for lectures is completely different from this first assignment. i am a first year student at university. i uploaded the assignment online...
Enter integer rectangle matrix A(0..n,0..m). Give out entered matrix by columns. Find all element pairs with equal value and their index and give them out.
I have to write c programm for this , can anyone make the body of this exercise and share some instructions how i should approach to...
Firstly, I'd like to so thank you for all your help so far =D
I have an chemistry assignment due tomorrow, and just wanted to double check some questions.
Questions
1. (a) Write balanced molecular equations for the following potential precipitation reactions. Indicate the states of...
Homework Statement
In the product (Vector F) = q(Vector v) X (Vector B), take q = 2,
(Vector v) = 2.0i + 4.0j + 6.0k
(Vector F) = 4.0i - 20j + 12k
What than is (Vector B) in unit-vector notation if Bx = By
Homework Equations
dot and cross products
The Attempt at a Solution...
(a) The first postulate of Bohr deals with the existence of stationary states in
which the electron has constant energy even as it orbits around the nucleus.
Bohr was the first person to postulate this idea of stationary states. Express
this key assumption in the language of the...
This experiment describes some of the failures of classical physics. Details of this experiment can be found in many sources, and it is interesting to work out the explanation and discover some of the joys of Quantum mechanics. The basic apparatus consists
of a polarizer. When light is passed...
I've got a math assignment for uni and I got not idea how to do it. I'm willing to pay 100 usd for someone to do it for me. mail me at irortm@gmail.com if interested, pay via paypal.
I would like to write a C program that writes itself to the screen (without reading from disk).
My idea is to assign text to a string S, split it into two parts S1 and S2 and then write each part twice. If S1 is made equal to program part before text definition and S2 equal to program part...
I have to find the vertical displacement of a potato shot out of a potato launcher (Gr. 11 Physics assignment). It would make sense (and make this easier) to assume that the potato went straight up and down and I am allowed to assume that air resistance is negligible. My main problem is proving...
I can't get this problem right and it's part of a web-based assignment that I have to submit. In order to get credit for the problem, all of my answers need to be right; I've tried many different times and I can't seem to figure out what I am doing wrong. Here it is with my explanations as to...
I've got a small assignment to do on graphs but it's a bit frustrating that no standard algoritms such as Dijkstra, Bellman-Ford, etc. can be used or at least I don't know how could they help.
Given a graph one is to find shortest path through N points. That's it. Starting point can be...
Asking a prof for an assignment!
Hi, since the end of the semester is approaching,and i am planning on going home for the summer, so no summer classes, i was planning to work something on my own, like in some math topics. However, I was wondering whether it would be a better idea to ask one of...
[SOLVED] Assignment Question Help! - Tuning Fork/ frequency
I've talked to numerous people who can not figure out this question, so if anyone has any ideas on how to do this question please help me!:confused:
A tuning fork is struck and held next to a vibrating guitar string, and beats of...
[SOLVED] Physics Assignment Question Help!
I've talked to numerous people who can not figure out this question, so if anyone has any ideas on how to do this question please help me!:confused:
A tuning fork is struck and held next to a vibrating guitar string, and beats of frequency 3 Hz...
Hi, I am a Senior in High school, looking for some help with a couple of questions that deal with both physics and mathematics. I was given a sheet with 4 scenarios on it, I chose a box falling from a height of 5 meters. The information is shown below:
Object mass: 20 grams
Dimensions of...
Homework Statement
A 5.0g piece of iron at 75.0C is added to 150.0g of water at 15.0C. What is the final temperature of the iron and the water? (use c=0.444J/g*C for iron).
Homework Equations
Q = mc(T2-T1)
The Attempt at a Solution
In all honesty, I have no idea how to start this...
need urgent helllllp!
im in year 12 at the moment and our new physics teacher has set us an assignment. it is very deceptively simple he informs us.
it reads: does a marble at the top of a ramp convert all of its potential energy up the top, into kinetic energy at the bottom of the ramp...or...
Homework Statement
We are required to write an essay about a well-recognized engineer, who has designed numorous well-known structures(bridges, monuments etc.) internationally (preferably).
Homework Equations
I just need a couple of NAMES of those engineers and they have to have...
Homework Statement
what does k and n relate to? i can work them out but don't know exactly what they are.
Homework Equations
I=kV^n
The Attempt at a Solution
i think the k and n have something to do with temperature and the tungsten metal in the lamp (coefficient of resistance?)...
Homework Statement
f(x)=\left\{\begin{array}{cc}e^{-x^{-2}},& \mbox{ if } x!=0 \\ 0, \mbox{ if } x=0 \end{array}\right
Prove the smoothness of f(x) - as in - prove it has infinite derivatives.
I was asked this question in a calculas class i have in university...It just so happens to be...
Homework Statement
A roller coaster is lifted up 50m above the ground to the top of the first hill and then glides down around the track at the bottom. If it had a velocity of 3.0 m/s at the top of the lift and loses 10% of its total energy to friction as it glides down, what is the roller...
Hi
I have been given an interdisciplinary assignment in physics and mathematics. The product of this impending project should be a paper of approximately 15-20 pages. My chosen subject is quantum mechanics. I would very much like your ideas and advice concerning the organization and the...
"]Dear all;
I have this assignment in data structures, and it needs for a lot time to solve it by myself really I'm buzy and I stick on it for A long time, I want it as soon as much anyone can:cry:
Regards;
LoLO:blushing:
Hey please help me out here ...i m in grade 11 and i got this assignmnt ..where i have to design a car that will move forward from a suspended mass...i hav no idea wot to do ... itz due this frdaypleasez i really need help...none of my grou members are helping me out .
Homework Statement
http://xs221.xs.to/xs221/07452/graphhelp.PNG
Find the initial x velocity and initial y velocity.
Homework Equations
vx0=vx
The Attempt at a Solution
I tried putting 0 as both, but later realized that it has to have some initial x/y velocity or the graph would...
Homework Statement
I need to write a C program to simulate physics problems. My job is to write a code , in which I give the user a function F(x) = ax^n + bx^(n-1) + ... , and user inputs the coefficients a,b,c ... and my computer code should tell whether the given force F(x) is conservative...