Monday
September 1, 2014

Search: Physics. Really stuck!

Number of results: 64,833

geography
I'm really stuck on my homework it says Geography can be divided into tree strands, phisical, human and enviromental. Explain what it means in your own words. I'm really stuck so could you help me please!!!!!!!!!!!!!!
September 8, 2008 by Emily

Quantum Physics
Has anyone done Block 7-8 for TMA 6 for s103 - discovering Science, as i am struggling big time, any help would be much appreciated yes i am like you really phased by this how much of the tma have you managed to do Me, too what r u stuck on? I have been doing really well but ...
February 27, 2007 by Adam

algebra 117b
I am really stuck if you could me please with this problem y=kxto find yfor x=6 y=-65when x=9 -65=k.9 k=- this is where I get stuck
July 17, 2012 by BERNIE

11th grade physics
my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck
October 5, 2008 by JESSICA!!!!!!!!!!!!!!!!!

Algebra-Pleasehelp-I'm so stuck!!
Please help How do you graph the radical that is below negative of the sqrt(x+1) my teacher said we should set up x and y according to parent function. The endpoint of this would be (-1,0) How do I find the other points-I'm really stuck
October 11, 2010 by Julia

lit class
we are really stuck on this one we searched the website that you suggested but are still stuck this is what we came up with is this correct punctuation? Jawaharlal Nehru, the first prime minister of independent India, said that, "culture is the widening of the mind and of the ...
May 10, 2011 by joel

AlgebraII
I really stuck on binomial theorem and I have a whole worksheet due Monday How do I solve (x+5y)^4 I need to really understand this-please explain the steps so I can learn from it and then use it to do the other problems
April 9, 2011 by JoyceLynn

Social Studies
What form of government does Ireland have? Is it stable? Do they have any allies? I've been surfing the web for a really long time now, searching for the answers to these questions. I'm really stuck...
February 28, 2008 by Maddie

Technology
A watchmaker would work with _____ measurements. a. standard b. precision c. indirect d. Swiss I'm a little confused on this question. I dont think it's A or D. I'm stuck between B and C, but I think it's C-indirect. Is there any tutor that is good in technology? Please help ...
December 21, 2009 by y912f

Algebra II-Please check
Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...
May 13, 2011 by Jodi

Algebra II Please check-
Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...
May 13, 2011 by Jodi

Science
I would appreciate some help if poss I am really stuck. I have an equation t = kpxd^2 I have to find the SI units of K SI units of t = s p = kg^-3 x = m d = m k is constant I am really pulling my hair out on this one?
September 15, 2007 by Adam

Chemistry
Sorry to post again but I'm really stuck on this one! I'm doing some post lab questions and I'm stuck on one. In lab we performed Tollens test, Fehlings test, and Jones Oxidation to differentiate our unknown between an aldehyde or a ketone. The question I'm stuck on is " older...
July 16, 2013 by hayley

Grade 12 Physics
CAN SOMEONE PLEASE HELP ME WITH MY QUESTION I AM REALLY STUCK!!!!! SOMEONE ANYONE!! I need some help, my brain hurts already just over analyzing this question! [_] [_]Thanks! [_]
September 12, 2007 by Haley

Math
I need to change this expression to postfix form. (12*A^2-2*A+31)/(4*A+6) I know how to do this except for the squaring part. I got stuck. This is my try. 12 A 2 ^ * 2 A * - 31 + 4 A * 6 + / When I test this in a calculator, it gives different results. Another problem is that ...
April 15, 2013 by Sara

physics
A convex mirror has a focal length of 19.0 cm. Determine the object location for which the image will be one-fourth as tall as the object. i really need help on this one. im completely stuck!
April 6, 2011 by julie

physics
really stuck, a 90 kg skier has 140 KJ of total mechanical energy when he is at a height of 120m above the bottom of the hill. calculate the skiers kinetic energy. calculate his speed?
October 16, 2010 by dave

physics
really stuck, a 90 kg skier has 140 KJ of total mechanical energy when he is at a height of 120m above the bottom of the hill. calculate the skiers kinetic energy. calculate his speed?
October 18, 2010 by mitch

AP Chemistry
okay, so i'm working on a specific heat lab right now. I have one question that I am really stuck on... Here it is: Why should the metal be dry before dropping it into the calorimeter? ... is it because it affects the heat of the cube or it affects the mass of water? ... i'm ...
November 30, 2009 by Jane

AP Chemistry
okay, so i'm working on a specific heat lab right now. I have one question that I am really stuck on... Here it is: Why should the metal be dry before dropping it into the calorimeter? ... is it because it affects the heat of the cube or it affects the mass of water? ... i'm ...
November 30, 2009 by Jane

algebra
Helpme solve this please i am really stuck x+3y=8 x=4-3y
January 9, 2010 by anna

Physics: Earthquakes
I'm studying for an upcoming exam and I came across this problem: 10 seconds separate the P- and S-wave arrival times of an earthquake which shakes you 1m. How far away is the earthquake epicenter and what is the magnitude? I'm stuck and would really appreciate the help! Thanks!
April 28, 2014 by Student

language
i fixed it as you said, what do you think about my tercet now? The Wild Dog I saw a dog Who walked in the fog He couldn’t see and got stuck in a log. He jumps up high And pretends he can fly Like a super hero in the sky. He’s really really fat He sits on a mat All day, chewing...
April 15, 2009 by john

yr 8 re
What are the differences between the two accounts of creation? please help, i'm really stuck!
September 25, 2008 by issy

math
2/5Q is less than or equal to -18 i am really stuck and i am not surehow to figure it out!
January 4, 2011 by Amelia

chemistry
Consider the following reaction: 2 NO(g) + O2(g) ---> 2 NO2(g) + energy if the number of moles of oxygen is increased to two moles, the a. reaction speeds up b. reaction slows down c. temperature increases d. temperature decreases I'm not really sure what the answer to this...
February 21, 2012 by Aria

Socials-Ms. Sue
I tried to express more feelings in this one. I am stuck in a chimney, and am feeling really weak, My whole body is injured with severe burns. My health is worsening as each moment passes. The pain really hurts, I want to stay back and earn a profit for my parents, I need to ...
November 28, 2009 by Sara

math
can someone please explain/show how to do this? im really stuck with fractions 5 1/3 + (-3 9/18) thanks so much
January 4, 2013 by Anonymous

Alegebra 1
can someone please help me asap with this two problems I'm really stuck here. 1) solve for j if b=j+v/2 2) 9r+9s+9
September 21, 2009 by Jessi

math
For y(x)=ln(3+x2), find y`(6) I keep getting 12 but it says that its the wrong answer, really stuck here
November 19, 2012 by Ravinder

Math
Ok, I have this problem that I'm really stuck on: This is it: Find each unit rate: 20 mi in 5 h. Please help I need this by tomorrow!
November 26, 2007 by Hannah

English
Can someone use the word myriad in a sentence? I know it's kind of a dumb question but I'm really stuck
May 26, 2008 by Jeff

language
i did a tercet poem. can you please tell me if its a good poem please or if there are any mistakes? thanks. The Funny Dog I saw a dog He was walking in the fog So he couldn’t see and got stuck in a log. He can jump up high So he likes to pretend he can fly Up in the big blue ...
April 15, 2009 by john

physics
a roller coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal. It then travels 135 ft at an angle of 40 degrees downward. what is its displacement from its starting point? im not really sure what to do, I've drawn a graph ...
September 2, 2008 by laura

Grd 12 U English
I am the discussion director for my group. I have to grab 4 reallyyy good discussion questions for the book The Kite Runner. I already found one good question, I need the other 3. It has to be from chapter 1-3 PLEASE help me out, i'm so stuck, honestly I really want my group ...
July 8, 2013 by Kristen

Literature
How does Poe use foreshadowing to prepare the readers for what's coming in The Cask of Amantillado...I've re-read the story but I'm really stuck on this. Thanks -MC
November 10, 2009 by mysterychicken

phi105
what ideas make them different from the way Eurpeans uniquely American movements? I really am stuck on this I need help please.
February 17, 2010 by trudy

Physics
The displacement of an object in SHM is given by y(t) = (7.1 cm)sin[(1.64 rad/s)t]. What is the frequency of the oscillations in Hz? I'm completely stuck here. I was thinking that frequency = 1/t. I'm stuck with the information given. Please help!
March 22, 2010 by Angie

AP World History
I really need some help with 2 questions. These questions are based out of Chapter 1 in Traditions and Encounters but it is in really any textbook. At least 5 sentences long. 1. Give two examples of the human response to climate and geography. 2. Describe major migrations in ...
September 15, 2011 by nygmen90

Biology
i really need help i am so stuck!! use the crossover values given to calculate the sequence and the distnace apart of the genes indicated p-m 7% K-M 28% p-k 21% m-C 5%
October 28, 2011 by Poppy

Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
October 11, 2013 by Sarah

Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
October 11, 2013 by Sarah

Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
October 11, 2013 by Sarah

Physics
I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
October 11, 2013 by Sarah

Technology
Please help me on this question, I'm really stuck: 8. Aspirin are produced by using which of the following processing methods? a. mechanical b. thermal c. chemicka d. electrical
January 19, 2010 by y912f

Geology
1b - I have to draw a cross section showing the relationship with gabbro cutting across sandstone and schist with schist being the oldest. 1c - I have to write a brief geological history of the region starting with the oldest events. 200 words. Thanks Desmond I'm saving that ...
April 29, 2007 by Desmond

Physics. Really stuck!
two blocks of masses m1 and m2 (m1>m2) are placed on a frictionless table in contact with each other. A horizontal force of magnitude F is applied to the block of mass m1. if P is the magnitude of the contact force between the blocks, what are the net forces acting on m1 ...
October 8, 2012 by Lindsay

English paper
I need to come up with a symbol for the book "A Tree Grows In Brooklyn" by Betty Smith, but I can't think of any! If anyone has read it then PLEASE help me. i'm really stuck on this.
September 16, 2007 by pinkpolkadots7

CHEM 11
I am really stuck with this... what mass of oxygen is contained in 10.5 umol of chromium(III)nitrate hexahydrate? Can't understand how to convert the micro-moles especially!
February 22, 2011 by lo

Algebra-Please help
I'm really stuck on these problems- Simplify 6xy(3xy)^-2? Simplify 12xyz^-2/8x^-2z Thank you
October 18, 2010 by Jessie

PHYSICS. HELP!
I've been stuck on this physics homework since I got home. I think the main issue I don't get is finding the components, and adding them to find the resultant force or velocity. Here's one problem. Three forces act on a point concurrently. Force a is 80N at 220 degrees, force ...
November 4, 2008 by Kiley

Maths
Perimeter = 216 and the length is (2X)+3 more than the width. How do I solve for X and what is the rectangle length. I am really stuck!
February 3, 2011 by Mitch

Math(Geometry)
In my geometry book I am really stumped on these question.This is what it says to do, "Find a pattern for each sequence. Use the pattern to show the next two terms."And here are th questions I am stuck on with the #'s. 7.O,T,T,F,F,S,S,E,... 8.J,F,M,A,M,... 13.George,John,...
August 22, 2007 by LizardGuy

science - psychology
outline two types of neural network that you may find in the visual system and state the advantage of each? thank you very much. im really stuck with this question.
June 25, 2008 by gingerbeard

history
for my homework i have to write a newspaper report on the germans and why they had to pay for the damage they caused. I've got really stuck and don't know what else to include. Please help. I will love you if you do !! xx
November 5, 2009 by Sian

Algebra
Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this
May 12, 2011 by Jodi

geometry
I was assiged a 44 question assigment and I really need some help.I'm stuck on this question: "Find the coordinates of S for RS if Q is the midpoint and R is an endpoint. Q(-6,-5),R(-4,4)
August 28, 2012 by Rick

physics
I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of revolutions done in this time. What I did: a) I got ...
March 23, 2010 by Morgan

physics
I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of revolutions done in this time. What I did: a) I got ...
March 23, 2010 by Morgan

Derivatives
Find f'(x): (abs(((x^2)*((3x+2) ^(1/3)))/((2x-3)^3)) So I thought I should split it into two parts: A and B. A) (x^2)/((2x-3)^2) B) ((3x+2)^(1/3))/(2x-3) My plan was to differentiate each part and then multiply them together, since multiplying their denominators together gives...
May 24, 2013 by Erika

math
Please help me I'm stuck on this one: (5x4)-2=12+ I'll try (5x4) 20-2=12+ answer 18 or (5x4) 20-2=18 12+18=30 Really I don't think either is right
March 8, 2011 by ron

science
to what extent does the evidence from studies of the FFA support the idea that a neural correlate of visual consciousness can be related to the FFA? thank you very much. im really stuck with this question.
June 25, 2008 by gingerbeard86

Algebra II
Please help-I'm totally lost- What is the equation of the ellipse with foci(-10,0), (10,0) and co-vertices (0,-3),(0,3) x^2/109 + y^2/9 = 1 X62/100 + y^2/9 = 1 Please show me the steps because I have others to do and I'm really stuck
March 28, 2011 by Shiela

Pre-Calculus
Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta)
October 7, 2011 by Tonya

calculus
really stuck on these two, steps would be greatly appreciated. gotta find the derivative thanks! first one: f(t)=2^(log5t) the 5 is the base second one: y=(2(x^2) - 1)^5 /(√(x+1)
October 31, 2012 by nicole

english
I've been doing this assignment for 3 days now..I am really stuck on few of the questions, need to hand it in asap. 1. Whad does term "window dressing" mean and examples. It referes to miniors( in society) are often used on TV as "window dressing" 2. Why there are so many more...
December 22, 2008 by Yana

MATH-STUCK :-(
I really need help factoring these special Trinomials. This question really puzzled me. I thought I had it correct, but when I checked the answer at the back of the book, I was wrong, and so I would like to know what was it that I had done wrong. This was the question: x^2-4x+...
November 8, 2010 by Anonymous

MATH-Stuck :-(
I really need help factoring these special Trinomials. This question really puzzled me. I thought I had it correct, but when I checked the answer at the back of the book, I was wrong, and so I would like to know what was it that I had done wrong. This was the question: x^2-4x...
November 8, 2010 by Anonymous

Child Care
Research suggest that every youngster should receive emotional support from at least three... a)legal guardians b)nonparental adults c)peers d)school friends I'm really stuck on this one.
December 5, 2012 by Mandy

Algebra
This might sound a bit dumb but am really stuck :L i need help to answer a question and i need someone to explain to me how to do it Multiply out the brackets and collect the terms. (2y-3)(ysqaured + 4y -1)
September 29, 2009 by Antony

English
Really stuck on English homework.ahhhh! What is an antonym for the following words? Subtract Extend Spectator Least Confident Exterior Please, help despretly needed by Monday !
October 27, 2011 by Zoe

math
Factorial notation problem. Please help? Hi, I am stuck on this maths problem. Solve for n: (n+2)!/(n)! =110. I get as far as (n+2)(n+1) = 110. When I multiply it out I get n^2,3n,2 = 110. There is only one example similar to this in my book and it used a quadratic equation to...
July 3, 2013 by Maria

Integral calculus
Hello, this is the last question from my homework that I get stuck at: ∫ (5^3/x - (x^8 + 9)^1/3 ) / 3x^2 will u, for sub. be = x^8 + 9? Then du is = 8x^7 dx x^7 dx = 1/8 du from there I'm stuck. Thank you
April 19, 2012 by Tommy

Biology
1. What provides the shortest-term mechanism for preventing acid-base imbalances in the body? The longest-term machanism? I am really stuck on this one....is it the renal and repsiratory compensations???? Thanks in advance for the help!
January 26, 2010 by Taylor

com 220
I have to make the graphs myself they cannot come from the internet. It has be all our own original work. So I am really stuck on this one. I have never made a graph.
March 22, 2010 by Tracie

Spanish
18. ________ ¿tocas la guitarra? a. Miguel b. Juan y Carlos c. Felipe, Ana y Barbara d. Señora Carreras A? 19. Me gusta ir a las cuatro y _______ a. cuarto b. cuarta c. quinta d. séptima I don't really understand this one.. 22. ¿Qué quiere hacer ____ sábado por la noche? a. en...
January 27, 2011 by mysterychicken

Physics
sorry for reposting this but im really stuck Simpson drives his car with an Vavg of 48.0 km/h to the east. how long will it take him to drive 144 km on a straight highway? i got the answer to that as 3 hours but i cant do this: how much time would he save by increasing his ...
January 30, 2009 by y912f

Algebra
I am trying to find the equation to m= 8(3,2)This is what I did and then I get stuck, sorry m=8(3,2) y=2(8)(x-3) y=2x-? this is where I get stuck -24 or -5
September 6, 2010 by Ziggy

INTERNET CONCEPTS
Hi...I am really stuck. May I have some help??? What would be some reasons as to why a programmer may want to search a string? How can the search() function assist with this?
January 5, 2011 by Jim

statistics
Why am I stuck? How do I figure I must be really stressed because I cannot figure this out. you exmple 9.408^2 =88.51046? How do you get it? I have squared 9.408 on calculator and get 3.08 what am I missing?
August 22, 2010 by Sandra

Can anyone please help me this biology please !!!
I am really stuck in this biology it super hard how do yeast cells benefit from fermentation ?I wil be happy if anyone would help me out thanks.
December 13, 2012 by Justin

history
I'm stuck between two answers on this question, and was wondering if someone could help me out. My textbook isn't really clear on the answer either, so I will highlight parts of the paragraphs I read that led me to the answers I'm stuck on. I'd really appreciate it if Ms. Sue ...
December 29, 2009 by Meeha

spanish
i don't know about this: "¿Qué botines prefieres, éstos o _____ que están allí?" "Me da igual." a. éstas b. esas c. estos d. ésos i'm really stuck on this, ...is it D?
April 28, 2009 by spanish

Pre-Calc/Trig
Please help-I'm stuck really bad What are the roots of the equation x^2 - 4x + 3 = 0 I think I was suppose to use b^2 - 4ac so it would be -4 - (-4)*1*3 = 12 so the roots would be 12 and -12 Thank you for any help you can provide
September 6, 2011 by Sheila

Algebra 2
I need help with this problem, (3-x)/-4 = (x+6)/3 Thanks! I've tried it myself several times and I keep getting stuck. multiply both sides of the equation by -12 Yields 9-3x=-4x-24 add 4x to each side, subtract 9 from each side. I don't really see how that works.
June 25, 2007 by Amanda

algebra
I am really stuck, can someone please help me with this? Multiply and simplify by factoring. Assume that all expressions under radcals represent nonnegative numbers. (type in radical form) ∛(y^13 ) ∛(16y^14 )
July 14, 2008 by C

World religions
For this project for school we have to represent the noble eightfold path ( right view) to canadian society , but i am so stuck , i dont really know anything that would make sense, any help would be great
December 3, 2011 by Melissa

Chemistry
How many glucose molecules does an E coli cell contain if it has an internal glucose concentration of 1.0 mM. The E coli is a cylinder that is 2 micrometers long and 1 micrometer in diameter. Really stuck on this one, thanks for the help!
September 7, 2009 by Janae

Orgo
this is a repost because i am really stuck What is the structure of the magnesium salt that is created as a byproduct of the Grignard reaction: bromobenzene + mg = phenylmagnesium bromide phenylmagnesium bromide + benzophenone = triphenylmethanol
November 16, 2009 by Vik

Pre-Calc-Please check my answer
Please help-I'm stuck really bad Thank you for any help you can provide What are the roots of the equation x^2 -4x + 3 = 0 x^2 - 4x = 3 x^2 +2(-2)x + -2^2 = -3 = -2^2 x^2 + -4x + 4 = 1 (x + -2)^2 = 1 qrt (x+-2)^2 = sqrt 1 x+-2 = plus or minus 1 therefore x=1 x=3 roots are 1 ...
September 6, 2011 by Sheila

physics
A 5.88 g bullet is fired vertically into a 0.9 kg block of wood. The bullet gets stuck in the block, and the impact lifts the block 0.87 m up. (That is, the block — with the bullet stuck in it — rises 0.87 m up above its initial position, and then falls back down.) Given g = 9...
August 9, 2011 by James

Basic Math
I'm really stuck in this question can someone please help me out in this one. Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing a club and a diamond?
August 9, 2009 by Maria

Math: Differential Equations
I'm given y''= sin(x) with the initial conditions of y(0)=0 and y'(0)=2. I've already taken the integral two times to get an answer of y= -sin(x)+3x, however, I'm stuck as to how to make this equation in terms of x=... Please explain, I'd really appreciate it!
January 14, 2014 by Student

english
In The Alchemist by Paulo Coelho, there is a quote that says, "When you want something with all your heart, that's when you are closest to the Soul of the world. It's always a positive force." I'm stuck on trying to find the meaning behind this quote. I'd really appreciate any...
August 7, 2014 by Coralie

Human Disease
I am really stuck and am in need of websites or someone to point me in the right direction. I am doing a research paper and need to know what body systems may be affected by obesity? Can someone help me please?
September 11, 2008 by Anonymous

Necessary Math HELp
2x + y = -5 3x +5y = 3 How come I have to multiply by 5 to make the y variables cancel, like what does that mean? I dont get how ur supposed to multiply like where and how? Im really stuck right now, please help:(
January 13, 2011 by Mathew

speech
So Im going to be doing an informative speech on dog-human communication. The visual aid I can use is a powerpoint. I really need help kind of outlining/ deciding what to talk about. I got a couple of books and have some research on it and there seems to be a whole lot of ...
February 18, 2012 by Rebekah

Calculus
Answer the following questions for the function f(x) = sin^2(x/3) defined on the interval [ -9.424778, 2.356194]. Rememer that you can enter pi for \pi as part of your answer. f(x) is concave down on the interval ? Please help, im REALLY stuck.
November 3, 2011 by Anonymous

Algebra Grade 7
How do you find the sales tax? How do you find the discount price? Please help me, I really appreciate it. This is for studying and I am completely stuck. Thanks in advance to any and all help.. luv ya, ♥dino♥
October 19, 2012 by rawr... im a dinosaur.... rawr

MATH
Hi, I really need help with these questions. I did some of them halfway, but then I got stuck. Would you please help me? Thank you so much. Prove the identity.... 1. sec x + tan x(1-sin x/cos x)=1 1/cos x + sin x/cos x(cos^2 x/cos x)=1 1+sin x/cos x(cos^2x/cos x)=1 I got stuck...
January 2, 2014 by LIZZIE010

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