Assignment — 341 discussions

hey all, i've recently been given an assignment of special relativity, the question is as follows:- Topic B: SPECIAL RELATIVITY Write a short report on any experiment, published in the literature (ie journals), which proves or depends on a relativistic effect. Include essential experimental...

This is due by 10:00 tonight, I have gotten all the problems right except for the last one which I cannot figure out. If anyone could help that would be nice. :) Thanks. Homework Statement A lit firecracker is shot straight up into the air at a speed of 54.00 m/s. How high is it above...

Weekend Assignment sheet -- question Homework Statement An observer is located at a unknown distance away from a cannon. A cannonball is fired from the cannon at 425 m/s. If the cannonball goes past the observer 0.20s before the sound is heard, how far away is the cannon from the observer...

Homework Statement The assignment was to design an algorithm that asks for a user's height in feet and inches and their weight in pounds. The output of user's height and weight is suppose to be the user's height in meters and the user's weight in kilos. So I'm basically just suppose to convert...

Hello all. I'm in my 3rd and final year in high school and the big 3rd year paper is coming up. I'm writing in physics (and history) and I have about light. The specific topic isn't decided yet and therefore I need some books to help me decide. This is were you come into the picture. I need...

[Urgent]Assignment On Couples and moments Homework Statement Two coplanar couples equal and opposite moments balance each other Hint: Case1: lines of action constituting the couple intersect Case2: lines of action constituting the couple do not intersect Above is what the lecturer...

[SOLVED] Difficulties with my assignment. Need help if anyone is up to it. Homework Statement Hello. I need to rewite the formula B so that it will become formula A, step by step. I need to explain what I do every step of the way and write all the middle-calculations also. That is, so that I...

Fission product activity measured at the time t0 following the burst of a nuclear weapon is found to be a0. Show that the activity at the time t=7^nt0 is given approximately by a=a0/10^n. This is known as the 7-10 rule in civil defense.

Homework Statement I'm currently doing a assignment about trusses, it's all about the theory, concept, animation and calculation. However, I'm lack of sources for doing this assignment. So, can anyone please kindly recommend some useful links to me? Thank you... : )

another physics question..please Albertine sits ina reclining chair, in front of a large, compressed spring. The spring is compressed 5m from its equilibrium position, and a glass sits 19.8 m from her outstretched foot. Assuming that Albertine's mass is 60kg what is the coefficient of kinetic...

Hi Everyone I have a object oriented C++ assignment which is due this week and I have no idea as to how start it.... This program prints a motion verb ( fly, run, swim, crawl, walk, or roll ), waits for a second, then prints the name of an entity and repeats the verb (for example: fly ..1s...

hi I am having trouble doing this assignment. I have very little knowledge of c++ and the truth is i don't even know where to begin. Can someone please help me with it. the program I am supposed to be writing is as follows: compute the height of a projectile that was launched. You will...

Here's an interesting piece of news I found today: http://www.msnbc.msn.com/id/18353425/&GT1=9246" Apparently a student wrote a violent essay for a creating writing assignment, and he's being criminally charged. The maximum jail time is 30 days. I'm no legal expert, but I'm quite...

Hi all, I'm quite new to posting; just been reading around the forums when I came upon this question for my assignment. I'm really quite stuck and no idea how to relate the different values (such as number of moles of Barium Sulfate) found back to the unknown compound. An unknown compound...

This if my first post and I think this is the right place to post this, hope so anyway. Just wondering if you guys had any ideas for a physics experiment relationg to bouyancy. I have to do a EEI (extended experimental investigation) for physics and so far I don't have too many ideas. I can...

1.Show that x^3 - 3kx + 1 = 0 does not have two distinct roots when k<0 2.Locate the points of discontinuity for the functions : a.) f(x)= 2u(x-3)-u(x-4) b.) g(x)= [u(x)-u(x-pie/2) u(x) is a unit step function. Could u guys help me out, I have no idea how to solve this..

Homework Statement I am responsible for coming up with an experiment to determine how the following 3 factors affect the force of friction: weight, surface area and speed. The directions given inlcude: "You will need to measure the magnitude of the force of friction. Since the...

Homework Statement Assignment is located at: http://typhoon.wcp.muohio.edu/boardman/GLG444/Exercises/PTect/BathySedAge.html" Homework Equations N/A The Attempt at a Solution I can not figure out the following: 1. a. Calculate the depth to the ocean crust (sediment depth plus...

I am currently doing an assignment based on brittleness. But it seems like there is not much information I can get by google it..Can anyone help me to find more information about this topic? Thanks in advance..:smile:

math problem: pedro wants to calculate his gpa. he has the lab grades:90/100,98/100,90/100,94/100,90/100,90/100,95/100,98/100. Labs are worth 20%. He has the test grades: 9/10,6/10,10/10,10/10,5/10,7/10,7/10,7/10,10/10,10/10,8/10,10/10. Homework is worth 20% test grades are: 35/100...

Hi people, i am really in a deep trouble and i will be so happy if anyone can help. Any tips will be so appreciated and make a real different to what i am going through at the moment. i have got two question to answer. 1. Experiment of boundary layer on a flat surface : giving dtails of how...

Guys, Can you loot at these questions? This is the assignment but it is too hard to solve. Please look at attached file..

i have gotten an assignment to research on industrial pollution problem is google searches are tooo vague can anybody help me with some solid links where i can get the info i need information in general not for any particular country please please please some body help thanks to all helpers

Here We Go. I have been asked to produce a program using GX Developer. The PLC i have to use is a Mitsubishi FX1N(C). I have to produce a program which will control a temperature sensitive fan heater in a hallway which leads to 2 adjacent rooms. The Heater and fan are designed to operate under...

I need help/advice on building a simple projectile launcher, for a tennis ball or smaller object. I need to calculate the angle so it must be something that shoots fairly straight (ballista?). Any links or advice on this would be much appreciated ~Hans

I'm so screwed now. I can barely think hard enough to do my Topology assignment and that's my strongest class. Not to mention a Probability midterm tomorrow that I was on my way to being prepared. :cry: I hope I pass the midterm. :cry: I'm so useless right now. Going to bed soon...

i need a make a program that prompts the user to enter a string, and for it to identify the uppercase characters and replace each uppercase char with the corresponding lowercase character. it also needs to count the character here's what i have so far: #include<stdio.h>...

Hi there, I had an assignment due today for my advanced maths class, I've already handed it in, but seeing what other people did I began to worry/wonder about what I did. The question was pretty simple: For non-zero vectors show that: |a - b| = |a + b| if and only if venctors a and b are...

If anyone can give me any steps to take, or formulas to use when solving these I would REALLY appreaciate it. These ones have really stumped me.:frown: 1. Beavis and Butthead are out in space, or you may say "spaced-out". The force of attraction between them is 30N. Suddenly, Beavis takes a...

the assignment wants me to count the number of people in age groups and to report the number of people in each group. i came up with this, used an int for each group and incremented with if/else if statements. #include<stdio.h> main() { int x, infant, young, middleaged, old, older...

assignment question URGENT! I having trouble and its urgent some one help Triangle wit the vertices A(6,-15)B(22,17)and C(24,11) -midpoint of side A = (14,1) Question 1.Calculate the equation of the line that is perpindicular bisector of the side triangle.

Hi, I've been sick over the last week (strep throat) and I just found out today that I have to hand in an assignment by 2pm. I've completed all the problems but 4 which I don't know how to do. If someone could do them or help me do them asap i'd be forever grateful. 1)Is the following graph...

HELP ! Assignment due in an hours A gold ball is hit from ground @ 25* to the horizontal. When it lands, it has a velocity of 20 m/s @ 30* below horizontal. A) find initial speed B) time that ball is in air C) height of landing pt. relative to start pt, which may be positive or negative

Determined to finish off my assignment! Firstly, it's 2:50 am here and I'm NOT going to sleep until I finish this assignment off! I have few remaining ones and I'd be glad if someone could help me out so I can go to sleep... Please consider this question(and the one I posted below)...

I don't know if there's anyone who bother to answer my questions but still let me try.. If function f:R^2-->R is f(x,y)=0 if (x,y)=(0,0) and xy^2/(x^2+y^2) otherwise, then prove that f is not continuous at (0,0) Supposed to be easy but my brain is dead right now for this.. it's multivariable...

hey, i have been surfing the net for quite some time now and haven't been able to find any infomation of the physics behind nitrous oxide system for use in cars. i was wondering if there would be the slight chance of somebody out there maybe able to help me. this may appear to be a wasteful...

hai..i am just a univercity student..i am 1st year only... have something to ask..hope you all can help.. i have to find any system that use BJT(bipolar junction transistor) in its circuit.draw the circuit diagram and explain details how the BJT operates in the circuit... may i ask how to get...

Q1. If j = square root of - 1 what is square root of j ? what I did was : Plug in the value of j in square root of j and came up with -1 to the power of 0.25. Is this right. Looks like this wrong. Q2. Given a complex number w = x + jy, the complex congugate of w is defined in...

[URGENT]How to prove gluon has this quantum number assignment? From PDG booklet, for gluon, I^G(J^{PC}) = 0(1^-). My questions are: 1. How to prove its P=-1? 2. Why C parity and therefore G parity are not well-defined for a gluon? Is it because gluon have nothing to do with...

Ive seen questions like this one done here before but I don't think I am understanding this well. The question is: Suppose 300 cubic meters of oil is spilled into the ocean. Find the are of the resulting slick, assuming that it is one molecule thick, and each moelcule occupies a cube .50 um...

Hello, I am a new user and in Dire need of some help. I am currently entering my senior year of High School. I am enrolled in an Honors Introductory Physics course, and for our summer assignment, are required to analyze a movie, determine four scenes of the movie, and explain the physics of the...

Gday, I'm currently doing a major yr 11 assignment on cosmology for physics. One of the questions in this assignment was about the historical developments of various models of the universe over time. I've mentioned the geocentric and heliocentric models but the question also asks about the...

:confused: Hi everyone. I have this assignment whereby I need to use the parallax method to calculate the distance to a pole from a base line on our school field. I am kind of confused as to how I can apply the parallax method to do this on our assessment day. We know that on one end...

hi everyone. I recently got an assignment from my biology teacher on karyotypes. i am asked to pair up the chromosomes together and state its sex. But at the end i ended up with 23 paired chromosomes and 1 extra big chromosome. Can anyone tell me what is wrong with this karyotpye? Thanks in...

hello here's the paper. http://www.physics.utah.edu/~rprice/00_2220/collab10.pdf for the first part am i right in assuming that E flux is present only through the LH faces? and that i need to double integrate E first with respect to x from zero to L and then with respect to z fom 0...

Here's the project sheet. it's due tomorrow btw "Write a program to input, compute, and display various statistics for a list of test scores of up to 30 positive test scores of type double. You shall input an array with the following values as one of your test cases (use -1 as a sentinel...

Hello, I have been assigned to do an information search on the Combustion Engine. I have to find 5-10 articles detailing how combustion engines incorporate physics principles. I have looked around for articles but haven't found much. What principles are incorporated in the combustion engine...

can we assign the same ip address to two different PC's ? if so then how does it work when sending or receiving packets?

I just transferred to UMD and want to do well in this course because I need a C or better to get into my major (Psychology). So any help on the problem would be much appreciated. I got through most of them fine except this one. I am stumped. :-p 1. Runner A is initially 4.0 mi west of a...

Hello, If anyone out there could help me with this problem it would be much appreciated. The problem is on rotational motion and it states: A proposed space station includes living quarters in a circular ring 52.0 m in diameter. At what angular speed should the ring rotate so the occupants...