# physics( i have no idea how to go about gettign th

164,329 results, page 5

### Physics

Describe the Bohr model of the atom. What is de Broglie's key idea (involving matter waves) that makes the Bohr atom have discrete energy levels?

### biology

I do lab biology and we are doing a project where we have a variable and see how it affects things, but I'm struggling with findin an interesting idea for a project to do. It can be on practically anything. I've thought about something to do with brewing but it seems a bit ...

### English

1. Do you have anything to say about this? 2. Do you have to say anything about this? (Are both grammatical and the same?) 3. We have many things to do. 4. We have many things that we have to do. 5. We have many things that we will do. (If we pharphrase #3, can we get #4 or #5...

### Art

The ancient civilizations of the Mediterranean region were noted for their great battles and powerful rulers. Post two artworks from two different cultures and compare how the idea of power is reflected in your two examples, include the name of the works. Talk about how the ...

### math

i have a test coming up and i have no idea how to do rotations on a cartesian coordinate system. please help me!!

### science

Why is sucrose covalent but have ionic like characteristics? I am so confused I am doing a lab and i have no idea!

### math

F(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show all of your steps. I honestly have no idea how to do this. Can someone please explain what I have to do?

### Physics (Mechanics)

A uniform plate of height H= 0.69 m is cut in the form of a parabolic section. The lower boundary of the plate is defined by: y= 1.10x^2. The plate has a mass of 5.62 kg. Find the moment of inertia of the plate about the y-axis. Alright, I've done this so far: So I figured I ...

### history

I have an essay about J.H Elliott and I have to write about his arguments he made about symbolic occupation. Can someone help me what was his arguments.

### Math

Find the function rule. x: -2|-1|0 |1 | 2 y: 9|4 |-1|-6|-11 I don't have an answer yet. There's no options, I have to provide an answer. I've been studying this for at least half an hour and I have no idea what it could be. Any help? Thanks.

### Math

if x is an even number, what is the quotient of the next greater even number divided by the next greater odd number? i have no idea where to even start with this problem. i would really appriciate some help. Thanks! What can make me studdy harder? hey tabby you put your ...

### Physics

A box moves down a conveyor belt the is angled at 15 degrees, at a rate of 6m/s. The box then enters a dump off that is 3m below the end of the belt, what is the horizontal distance between the dump off and the belt? I have no idea where to start with this...I know you have x ...

### physics

A box moves down a conveyor belt the is angled at 15 degrees, at a rate of 6m/s. The box then enters a dump off that is 3m below the end of the belt, what is the horizontal distance between the dump off and the belt? I have no idea where to start with this...I know you have x ...

### English

You are attending a professional conference and are privileged to be introduced to Carol Peters. You knolw nothing about her except she is an executive at a very successful company. You have an idea that you would like to talk over her. How should you address this person ...

### assortment

I realize that these are diverse in nature, but I do attend a liberal arts institution. Well, I have three matters that are not pressing in nature but rapidly will become important. I may have to return here after refining these. So, here we go: 1) Are there any places that ...

### english

what are the pros and cons of joining "netville 2" a computer company that came to your neighbourhood. We will be happy to critique your thinking on this. thanks im having trouble thinking of cons. The only thing i have for cons are: hidden fees and isolation and i have to ...

### Functions

I have to find the x-intercept. The equation is y=-2((x-4)^2)+1 I have to factor, but I have no idea how to factor this. I really need help on this, please.

### chem

Ok... i have no idea how to do this problem.... if anybody can help, that would be very much appreciated ___________________________________________ 67.) Oil spreads on water to form a film about 100 nm thick. How many square kilometers of ocean will be covered by the slick ...

### CIS 105

My assignment: • Describe one technological device in 350 to 700 words. Include the following: When did it come (or will it potentially come) into existence? What scientific or technological reasoning explains how this potential has been (or can be) be reached? My problem: I...

### writing essay language art

many people feel that a movie isn't a success if it doesn't force viewers to think about an important issue or idea. Others argue that movies are successful as long as they entertain us; they don't have any ideological, political, or social agenda. What do you think? Is being ...

### Science fair

PLEASE HELP MS.SUE. I really need your help I'm in 3rd grade and I have to do a science fair project. I'm planning on doing the science fair project about making hot water freeze. Is it a good idea if not can you give me some ideas? And if it is then can you explain it to me?

### Science fair

PLEASE HELP MS.SUE. I really need your help I'm in 3rd grade and I have to do a science fair project. I'm planning on doing the science fair project about making hot water freeze. Is it a good idea if not can you give me some ideas? And if it is then can you explain it to me?

### PHYSICS

Suppose that a tank contains 680m^3 of neon at an absolute pressure of 1.01*10^5 Pa. The temperature is changed from 293.2 to 294.3 K. What is the increase in the internal energy of the neon? I don't have any idea to do it. Please help! Give me some ideas!THANKS A LOT!!!!

### Physics

The launching speed of a certain projectile is 6.4 times the speed it has at its maximum height. Calculate the elevation angle at launching. I have noo idea how to start this one. Please help!

### physics

A ball is thrown vertically into the air and when it returns after an interval of 2 seconds it is caught. What is the acceleration of the ball after leaving the hand? I have no idea how to solve this!

### Geo 7th Grade

What effects does climate have on Mexican daily life and its economy? I have no idea?!

### College Algebra

I have no idea how to do this, and nobody in my family knows how to either. I have to determine the domain of the following function. f(x)=5/(3x-7)

### college-ECONOMICS

Most of the preferences we use in class exhibit convexity. What does it imply about the shape of indifference curves? Explain, in words, what this implies about consumer preferences, think of an example where this might be a bad assumption and try to come up with a utility ...

### English

Write a passage using rhetorical device on aperson,idea or ideology in about 300words

### Grammar

Can someone please help me with these questions? I have noo idea about them! Identify the function of the relative pronoun in the adjective clause. 1.The game was designed by Zack, who studies computer programming. 2.We all enjoyed the play that you wrote. How can I find the ...

### Physics (College)

A student rides her bicycle home from physics class to get her physics book and then heads back to class. It takes her 21.0 min to make the 12.8 km trip home and 13.0 min to get back to class. Calculate her average speed for the round-trip. Answer must be converted to km/h I ...

### Pre-Calc

A pizzeria sells a rectangular 18 X 24 inch pizza for the same price that it sells its large 24" diameter pizza. If both pizzas have the same thickness, which option gives the most pizza for the money. Gosh I'm really rusty on my geometry. Can you give me an idea of how to go ...

### math:)

If the given point is on the terminal arm of an angle A in standard position, angle A is greater than or equal to 0 degrees and it is less than or equal to 180 degrees, find the measure of angle A, to the nearest tenth of a degree. a) (4,3) b) (12,5) c) (-6,8) d) (-24,7) ...

### IDEA Act

Determine how IDEA 2004 affects diverse learners. I am having troube with this question. Can anyone help me?

### Math

The bases of trapezoid ABCD are AB and CD. Let P be the intersection of diagonals AC and BD. If the areas of triangles ABP and CDP are 8 and 18, respectively, then find the area of trapezoid ABCD. I'm so confused... please help! I was thinking that if I found the bases and ...

### physics

Although most natural potassium nuclei are stable 39K (93.3%) or 41K (6.7%) nuclei, about 0.0117% are radioactive 40K nuclei, which have a half-life of 1.26 billion years. If you were worried about 40K radioactivity and wanted to wait for 97 % of the 40K in the environment to ...

### chemisty

Many home barbecues are fueled with propane gas (C3H8). How much carbon dioxide in kilograms is produced upon the complete combustion of 18.9 L of propane (approximate contents of one 5-gal tank)? Assume that the density of the liquid propane in the tank is 0.621g/mL. I have ...

### Social Studies

I have a midterm tomorrow and this is the essay question: “When men’s minds seem narrow to you, tell yourself that the land of God is broad; broad His hands and broad His heart. Never hesitate to go far away, beyond all seas, all frontiers, all countries, all beliefs”. ...

### Psychology

I need to write a paper regarding a social injustice, but I can't think of any good ideas. I was thinking maybe the fact that people today feel like they need to pay reparations to modern Blacks because their ancestors were slaves is a social injustice, but I don't really know...

### algebra

2y^-3 = 4e^(-x/2)/(1+e(-x/2)) my teacher gave this problem in my chem class and i don't know what he is really asking , does any one have an idea if i have to solve for y or what's going on..

### Not a school subject. its for a contest.

HELP!!! I HAVE NO IDEA WHY I WANT TO BE MISS VFW EXCEPT I CARE FOR THE TROOPS AND I HAVE FRIENDS IN THE ARMY.

### chemistry

How would I calculate the number of moles of AgNO3? I have .0025L but don't I need the Molarity? I have no idea how to find that.

### Physics

Catching a wave, a 65 kg surfer starts with a speed of 1.3 m/s, drops through a height of 2.10 m, and ends with a speed of 8.2 m/s. How much nonconservative work was done on the surfer? I have genuinely no idea how to solve this problem.

### Physics

How many calories will it take to raise the temperature of a 41 g gold chain from 20°C to 100°C? The answer is 102 calories. I've tried everything and can't come up with that answer. Does someone have any idea what was used for a formula? Thanks

### hayley

Hayley, I have read a number of posts of yours, and noticed two things. a. you worry about grades far too much, after all, we have an entire life ahead of us. Perfection is not on the cards for most of us. b. you have an issue in reading comprehension, in my opinion, getting ...

### physics - last question

Sam is sitting in her fishing boat watching a trout swim below the surface. She guesses the apparent depth of the trout at 2.0m. She estimates that her eyes are about 1.0 m above the water's surface, and that the angle at which she's observing the trout is 45 degrees. b) ...

### writing

This is the assignment: Reread either Andy Rooney’s essay on page 96 or Sarah Penning’s essay on page. 97. Select either essay as your starting point and discuss the terms they write about. What is your reaction to the thesis of either in relation to accepted definitions? ...

### 8th grade homework

Please help me I beg of you! My math teacher is awful and I have no idea how to do my pretest and she's picky about showing my work so it would be helpful if you could explain :) 1.six is subtracted from a number. The result is devided by four. This result is added to 10 to ...

### Physics

Please help me with the following problem: Joe is on a cross-country trip from New York to Los Angeles. He drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. What is the average speed for this ...

### Physics

A projectile with a mass of 2.50 kg is shot horizontally from a height of 15.0 m above a flat surface. The projectile's initial speed is 22 m/s. 1.How much mechanical energy does the projectile have initially ? 2.How much work is done on the projectile by gravity as it falls ...

### Physics

I did a lab about Standing waves on a string and it asked me the following qeuestions: Discuss any errors arising from the method used to establish the standing wave pattern. - I think air resistance, linear density of string is non uniform, tension of the string is not ...

### English

1. What do you thinks about watching TV? 2. What is your opinion of watching TV? 3. Do you think watching TV is good or not? 4. What is your viewpoint of watching TV? 5. What kind of viewpoint do you have about watching TV? 6. What viewpoint do you have about watching TV? 7. ...

### Statistics

An investigational drug study is being conducted. The initial screening phase needs to include enough people so that the final (approved) group has at least 10 patients. The probability of a person being approved for the study is .80. what initial sample size is needed to make...

### World History Honors

Hi! Can anyone help me with this assignment...? Using the primary source documents and information from your chapter, form a thesis that describes why Herodotus referred to Egypt the way he did (Why he referred to Egypt as the “gift of the Nile.”) Then, write a 550-word ...

### COM 155

I have been asked to explain if it is a good idea to write a summary before writing the paper. Will someone please look over my work. I feel it is always a good idea to draft anything that you are writing. This will give you an opportunity to revise, add more information, take...

### Physics check

A Thorium-232 absorbs a neutron and the resulting nucleus undergoes two successive beta decays. The nucleus that results has.... nucleons,.....protons, and .... neutrons. This is a nucleus belonging to the element ....... have no idea

### Physics

1) The question asked to find the ionosphere reading for your area today and gives you s web site. I went on the website but I have no idea how to find the reading for West Palm Beach. Any suggestions?

### Physics

I have no idea how to do this question. Would be appreciated if someone help =) The velocity of a car is given by v(t)=60(1-[0.7]^t), where v is measured in m/s and t is measured in s. Determine the following: a)What is the acceleration function? b) What is the accerlation at ...

### bege101

write a passage using rhetorical devices on a person ,idea or ideology in about 300 words

### Intermediate Algebra

Factor: 9x^2 - 42x + 49 So far I have 3(3x^2 - 14x + ) I have no idea if this is right or if this equation is prime. Or if I'm solving it correctly.

### Geography

I have the question "how does nose shape relate to climatic zone" and its not in my book and I can't find when I google it. Does anyone one have another idea. Thanks

### math

when in life would one ever have a question relating to powers in the real world ex 5x5x5x5x5x5 Anyone have an idea

### chemistry

14KMnos+4C3H5(OH)3----->7K2CO3+7Mn2O3+5CO3+16H2O I know this but hoe to do it please help me I have examination tomorow i i don't have idea how to do it:(:(:(

### chemistry

How do I calculate the theoretical yield of a catalytic hydrogenation? I have the #s, I just have no idea how to apply it. It's 1-Octene --H2PtCl6--> n-Octane.

### AP Lang/English

I have to answer the question of who the audience is in Scott Russell Sanders "Inheritance of Tools" and I have no idea. Help please!

### physics

You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 4.40 m above the trampoline directly below, so it is perfect for viewing the the facility. Occasionally ...

### physics

You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 4.40 m above the trampoline directly below, so it is perfect for viewing the the facility. Occasionally ...

### Physics

You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 1.50 m above the trampoline directly below, so it is perfect for viewing the the facility. Occasionally ...

### Literature

I really need help with this activity: 'Pretend that you're a mouthpiece, similar to Squealer from Animal Farm. Your job is to write and spread propaganda about a product, political party, idea, or cause. Write a short, factual description of the item and then write a short ...

### SCIENCE HELP

Can anyone anyone please help me or guide me to a web site where I can find this information? Thank you. Dolphin and porpoise populations are endangered by the _________ fishery. I have twenty questions to complete on my paper and I found all the answers except this one. ...

### English thinking

I am looking for why the media does not talk about bird flue , any more? Is there is some reasons why they do not talk about it anymore, do u have any idea? Yes. It does not sell anymore. Media tend to go with sensationalism, and not cover subjects that are well worn. Some of ...

### chem

Hi, I need help with this problem--- I have no idea how to go about it _______________________________________________________________ An average adult breathes about 8.5 x 10^3 L of air per day. The concentration of lead in higly polluted urban air is 7.0 x 10^-6 g of lead ...

### Marketing

I am writing a report for marketing and have to create a fictional business. My first business was a clothing store. I need an idea for another business. I was thinking maybe a candy store, or a water ice store. Are they considered retail ? Do you think those would be easy to ...

### Social Studies

Which of these would most likely be allowed to appear in China today but not in China during the Cultural Revolution? a. a film about the idea of Mao Zedong b. a newspaper article criticizing one-child policy c. a website commemorating the Tiananmen Square protest d. a reality...

### Algebra

The problem gives the info. p=40 and x=52balloons. p=20 and x=62 balloons. I have to write and equation of the line for the demand using p=mx+b. I know I have to find the slope in order to do this.But have no idea how to do that with this info. Any suggestions. I think it ...

### English

Where did he get the idea for his project? 1. He got the idea from a science magazine. 2. He got the idea in a science magazine. (Which preposition should we use?)

### English

I'm writing an essay about poetry. My thesis is how literal language used in poetry create more still and concrete image, while poetry that uses figurative language proves more feeling. I just have no idea how to start my introductory paragraph. What do I first say in the ...

### AP Physics

Again Chapter one Stuff... Discuss how the notion of symmetry could be used to estimate the number of marbles in a one-liter jar. I'm lost I'm thinkthing somewer along the lines of counting them up nice and simple but I have no idea

### Physics

I have no idea how to do this problem At what distance from the Earth will a spacecraft on the way to the Moon esperience zero net force due to these two bodies because the EArth and Mon pull with equal and opposite forces? there\'s no data in the question to use

### physics

Help! I have no idea how to solve this: If the distance between two slits is 0.0550 mm, find the angle between the first-order and second-order bright fringes for yellow light with a wavelength of 605 nm.

### physics

rollercoaste starts at 12m high with a v of 1.2m/s and climbs to 9.0m Assume the track is frictionless... a) how fast is it going when it reaches the low pointbetween the crestss. b)how fast is it going at the top of the secondcrest (9.0m) i have no idea which eq. to use..

### College physics

Please help me... I have no idea where to begin...A tone of 4000 Hz is being played on a tuning fork. You run toward the tuning fork at 5 m/s. What frequency do you hear? Take the speed of sound to be 343 m/s.

### english

i have to do an essay in class linking 3 texts AWAY, SEVEN YEARS IN TIBET and A TRACK WINDING BACK i have no idea how to do this

### pre-calculus

2y^-3 = 4e^(-x/2)/(1+e(-x/2)) my teacher gave this problem in my chem class and i don't know what he is really asking , does any one have an idea if i have to solve for y or what's going on.. how would this be done..

### PreCal

Determine the value of c for which the following quadratic equations will have one root. x^2-5x+c=0 I have no idea what formula to use to figure this out.

### Biochem

The theory of ATP synthesis by the ATP synthesis apparatus is called the _______ theory. I have no idea. Can some please help? Go to www.google.com and type in "ATP synthesis" without the parentheses. I think you will find your answer about four or five references from the top...

### Tan^2 Integrals

I'm having a hard time understanding how to do Integrals involving tan^2. I have two problems: 1. Find the integral of (tan^2 y +1)dy 2. Find the integral of (7tan^2 u +15)du 1. My approach to it is to replace the tan^2 y portion of the problem with sec^2 y -1, but it doesn't ...

### Science study skills

What is the most effective way to begin studying a lesson? 1.) Make up questions about the lesson. 2.) Look at the headings and subheadings of the lesson to get an idea of what the lesson is about. 3.) Review the lesson that comes after it.] 4.) Look ahead to see if the ...

### Physics

In a rectangular coordinate system, a positive point charge 5.0 nC is placed at the point x=0, y=2.0 cm, and a negative point charge -5.0 nC is placed at x=0, y=-2.0 cm. Both charges have masses 4.0x10^-3 g. Point P is at x=3.0 cm, y=2.0 cm. The electric potential at infinity ...

### poetry

from details about blossoms in both the first and third haiku what conclusion can you draw? the poet feels exceedingly lonely the poet lives in an urban setting the poet enjoys the gentle beauty of nature the poet enjoys the drama of nature at its most intense Please help i ...

### English

The cracker was named by Josiah Bent. One day Mr. Bent was making biscuits. He baked the biscuits until they were very crisp. The biscuits crackled when he chewed, so he called them crackers. What is main idea? The cracker was named by Josiah Bent What sentences tell something...

### Physics

The masses of 1 mole of various gases are as follows: hydrogen about 2 grams, helium about 4 grams, nitrogen about 28 grams, oxygen about 32 grams and carbon dioxide about 44 grams. On the average how fast does a molecule of each gas move at 333 Celsius?

### physics

The masses of 1 mole of various gases are as follows: hydrogen about 2 grams, helium about 4 grams, nitrogen about 28 grams, oxygen about 32 grams and carbon dioxide about 44 grams. On the average how fast does a molecule of each gas move at 333 Celsius?

### English

-------------------- This poem is by Diana Chang and i reallly really have no idea what she is talking about. Im suppose to TPCASTT it paraphase, connotation, The attitude of the poem, and the shift , the theme, and the meaning of the title. please pleaseee help me!!! ------ ...

### Grammar

Need this checked- 1.Identify the sentence that contains a dangling modifier. A.To the victor goes the privelage of writing history. B.To assemble the model successfully,the directions must be read carefully. C.It is better to hand in a neat erasure than an overlooked mistake...

### Physical Science

Write a paragraph or two about how and why has the atomic idea/model changed (Greeks 1600-1930)

### Social Studies

If you are a member in Liberal party, what would you say about the great depression in Canada, I mean your idea?

### pre-alg portfolio

**SOB STORY INTRO** This portfolio is on percent predictions and I very literally have no idea how to do it. This is a 30% grade for me and I only have a 68% right now in Pre-Alg, (which is confusing because I usually get 90-100% grades on my answers and rarely, if ever cheat...

### Physics

Anna pushes horizontally on a 52-kg penguin with force of 10 N, but the penguin does not budge. Find the force of static friction between the penguin’s feet and the ground. I have no idea where to start. Any help is appreciated. Thanks.