# Physics. Really stuck!

84,169 results

### 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!!!!!!!!!!!!!!

### 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 ...

### 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

### 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

### 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

### 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 ...

### 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

### 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...

### Technology

A watchmaker would work with _____ measurements. a. standard b. precision c. indirect d. Swiss I'm a little confused on this question. I don't 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 ...

### 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 ...

### 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 ...

### physics really stuck

A sprinter starts from rest and accelerates for 5s. He then travels at a constant velocity for 10s. Finally he slows down to a stop in 5s. Draw a distance time graph to represent his motion.

### 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?

### 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...

### 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 ...

### 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! [_]

### 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!

### 6th Grade Math Help Please

Hi, I need help because I'm really stuck on this math word. Can someone please define what rational coordinates means what? I really need help fast because this project is due today! Thank You :)

### 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?

### 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?

### 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 ...

### 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 ...

### algebra

Helpme solve this please i am really stuck x+3y=8 x=4-3y

### 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!

### algebra

im really stuck on this one What is the solution to the linear inequality y ¡Ý 4x - 5 ?

### 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, ...

### yr 8 re

What are the differences between the two accounts of creation? please help, i'm really stuck!

### math

2/5Q is less than or equal to -18 i am really stuck and i am not surehow to figure it out!

### American Government

Has anyone done the Memo to the president portfolio? I am like...really stuck on it.

### 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...

### 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 ...

### Language Arts

23. Respond in a paragraph. Answer is written in complete sentences. Compare the poems by Szymborska and Milosz read over the course of this unit. All are important twentieth century writers addressing a similar theme: death. Which poet addresses it in terms of the times he ...

### math

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

### MATH HELP ASAP

-6q+5.8=23.8 q=3 q=-3 q=1.83 q=4.93 i really need help im stuck i have 3 othere Q but ill figure them out

### 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

### 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

### math

The lines a and b intersect at point D. What is the value of z? z = Can you please help em solve im really stuck and confused?

### 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!

### English

Can someone use the word myriad in a sentence? I know it's kind of a dumb question but I'm really stuck

### 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...

### 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 ...

### 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 ...

### physics

I'm working on my science fair project for 5th grade. I want to measure the speed of rotation from an Ice skater. What type of equipment would I need to use? I think a video camera, a bright dot on the skater's chest and some type counter software. That's where I'm really stuck.

### Physics

an airplane flies sue west at 185 km/h with respect to the air. there is a wind blowing at 85 km/h to the northeast relative to the ground. what is the planes speed and direction with respect to the ground answers. // our class is literally stuck in this and our teacher isn't ...

### 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

### phi105

what ideas make them different from the way Eurpeans uniquely American movements? I really am stuck on this I need help please.

### 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 ...

### 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!

### 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%

### French

compare and contrast the play's George Dandin and Le Commissaire est bon enfant(1899) please and thank you.. im really stuck

### french

compare and contrast the play's George Dandin and Le Commissaire est bon enfant(1899) please and thank you.. im really stuck

### Algebra

Special factorization I know someone has helped me with this before, but I'm really stuck on how to attack these two problems [(8x^3)/125]+[64/(y^3)] X^2-8xy+16y^2-25

### 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 ...

### 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 ...

### 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 ...

### 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 ...

### 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

### 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 ...

### 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 ...

### Physics

Please help me solve this, most likely simple, problem. I am just starting to learn physics and am finding it very confusing. If you could include a key to explain any formulas used it would be very helpful thank you. I have calculated GPE to be 1500J but I am totally stuck, I...

### 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.

### 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!

### Chemistry

When iron metal reacts with oxygen, the reaction can form Fe2o3 (numbers are subscripts). Write a balanced chemical equation for this reaction and find the number of moles of oxygen that are needed to form 6 mol of Fe2o3. Show your work. I am really stuck and I don't know how ...

### 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 ...

### Algebra-Please help

I'm really stuck on these problems- Simplify 6xy(3xy)^-2? Simplify 12xyz^-2/8x^-2z Thank you

### 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!

### 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,...

### Finance

I really really need some help on this one!!! All I need is for someone to point me in the right direction. I have filled in the blanks of the income statement and figured out what the net income is. I am very stuck. How do I get the depreciation expense based on this ...

### 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.

### 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

### Math Help

I really need help on this. I tried doing it on my own, but, I got stuck. Thanks! (a) List any approximate x-intercepts values. (b) Set y = 0 and solve the resulting equation; y=x^3-4x^2-25x+100.

### French

Hi! I was wondering if you could translate "Then I used the whole day reading until dinner was served" Im really stuck and I forgot my books at school and I'm preparing for exams

### 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

### 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)

### 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 ...

### 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 ...

### algebra

How do I state which property of exponents justifies each step of this simplification?: 3^2x^6z^10/2^2y^18*x^4y^4z^4/5z^3*27z^6/2^2x^2y^3 Im really stuck on this problem, I've managed to figure out the first 5 problems but this one is troubling me.

### 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...

### Chemistry

Hi! I am totally stuck on this question: Explain why a cool flame is important to use in heating a solution to dryness. Can you please explain to me exactly why because I really do not understand. thank you!

### 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

### 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.

### 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

### 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)

### 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)

### Pre-Calculus

Solve the system of equations using matrices. Use Gaussian elimination with back-substitution. x + y + z = -5 x - y + 3z = -1 4x + y + z = -2 I really need help.. 1 1 1 -5 1 -1 3 -1 4 1 1 1 -2 I've done so many different methods to solve this and I get stuck..

### 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...

### 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+...

### 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+...

### 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.

### English

I need help with writing a really good thesis statement regarding the stories Popular Mechanics by Raymond Carver and The Judgement of Solomon and their parenting styles. It's supposed to be compare and contrast but I'm stuck. Please help me.

### 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)

### 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 !

### 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...

### 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...

### 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!

### 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.

### 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

### Maths

I'm really getting stuck, I've spent a day trying to figure this out, but don't understand. Please could someone help me. Eph = hcT/b I need to rearrange to make b the subject and show and express each term as base SI units

### 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 ...