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

164,329 results, page 43

science

whats the big idea of partcles?

science

what is the big idea of energy transfer

English

How do you know what the topic and main idea of a paragraph is?

Calculus 1

Calculate f'(-1) f(x) = x^7 * h(x) h(-1) = 5 h'(-1) = 8 Answer is 27, but I got no idea how to get there.

english

What is the main idea of the shepards daughter

biology

What is the main idea of metabolism. please help

history

who came up with the idea of the school bus?

Pre Calculus

e^-x sqrt(3e^2x -5/4) = e^x No idea how to approach this.

Geography

Who is assosciated with the idea of the cultural landscape

Language arts

What is the central idea of the selection

ELA

What is the implied main idea of the passage>

physics

A typical woman gives off heat at the rate of about 8000 calories per hour. How long would a woman have to stay in a bath of 60L (60,000g)of 26*C water in order to raise the water temperature to 30*C. Presume that all the heat given off by the woman is transferred to the water...

physics

A typical woman gives off heat at the rate of about 8000 calories per hour. How long would a woman have to stay in a bath of 60L (60,000g)of 26*C water in order to raise the water temperature to 30*C. Presume that all the heat given off by the woman is transferred to the water...

physics

A typical woman gives off heat at the rate of about 8000 calories per hour. How long would a woman have to stay in a bath of 60L (60,000g)of 26*C water in order to raise the water temperature to 30*C. Presume that all the heat given off by the woman is transferred to the water...

ela

in chapter 9 site specific examples ex: ms.maudie is thoughtful of other "only thing i worried about...was all the danger and commotion it caused... this whole neighborhood could have gone up." i did all of them except these please help atticus tie racism to a lack of ...

History

Which answer summarizes the main topic of the Constitutional Convention? A.)They argued about federalism and how the federal and state governments would share power. B.)They argued about the Articles of Confederation and how to change it to serve the government better. C.)They...

physics

What airspeed would a plane have to travel to have a groundspeed of 320 km/h [S] if there is a 50.0 km/h wind coming from the northwest?

AP environmental Science

Can someone please explain what this means to me in english? i've read it a million times and i have no idea what it means. Thanks for any help!!! "Scientific evidence shows a direct relationship between sea level and the global mean atomospheric temperature during the past ...

physics

i have given an assignment by school to prapare a working model of physics. Please give me some tips.

English, Social studies

1. We had a sleepover at Susan's house. 2. We had a sleepover party at Susan's house. (Which expression is correct? Are both grammatical?) Q2: Do only girls have a sleepover? How about boys? Do they have sleepover parties? Do all teenagers have sleepover party in the USA?

critical thinking

WHAT BACKGROUND INFORMATION CAN YOU HAVE ABOUT CLAIMS

french

i have some questions to ask about how to spell it in english

algebra II

Thank you for your prompt response. I have my homework I have to turn in in about 2 hours, but i am struggling to solve this question. Is there any way you can just give me the answer while I find a website that can show me step by step how to solve these kind of problems? I ...

english

I have a data story to write on employment and in my city unemployment for blacks is double the amount it is for whites.. I'm suppose to speak with employment agencies and speak with them about this issue. Do you guys have any suggestions of any statistical questions I could ...

Chemistry

Calculate the amount (g) of each of the following salts that need to be added to a 200 mL volumetric flask to produce a 2 M solution of S. CaSO(subscript 4) [NH(subscript 4)subscript 2]SO(subscript 4) NOTE: the subscript 2 is outside the (NHsubscript 4) Fe(subscript 2)[(...

AP Statistics

Do the samples appear to be from the same population? Why or why not? Support your answer with numerical facts and convincing reasons and explanations Chemical distribution stats: Five # summary: (2.29816, 2.29869, 2.299152, 2.30074) Mean: 2.299706 Standard deviation: 0.001313...

Chemisty

Aluminum hydroxide forms a positively charged sol. Which of the following ionic substances should be most effective in coagulating the sol? NaCl CaCl2 Fe2(SO4)3 K3PO4 The idea behind coagulating sols is to use those salts that have the highest + and - charges and the most ions...

Chemistry

Aluminum hydroxide forms a positively charged sol. Which of the following ionic substances should be most effective in coagulating the sol? NaCl CaCl2 Fe2(SO4)3 K3PO4 The idea behind coagulating sols is to use those salts that have the highest + and - charges and the most ions...

Education

Does the Individuals Disabilities Education Act (IDEA) and the Education for the Handicapped Act Ammendments of 1986, focus on services provided to families, children, communities, or to schools? I am thinking they provide services to families. Don't they? Education of the ...

Physics

Your dog has been diagnosed with a terminal illness for which there is no cure. The Veterinarian expects that it will live for 1 year before it succumbs to the condition. You have the idea that if you could keep the dog alive a little longer, a cure might be found. You decide ...

World History Honors

I have to create 10 questions about the Guillotine? My first one is Why did Robespierre prefer suicide than being sentenced to death by the guillotine? However I also need the answer and I believe that it may have had to be because he was too embarrassed to be hanged in front ...

math

The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central starting position, and t is...

Budgets(Jobs)

Which two things does a budget compare? A.Saving and interest B.Income and expenses C.Income and investments D.Expenses and expenditures B? Which of the following is a true statement about budgets? A.They encourage people to spend as much money as possible B.Setting up a ...

English

Dear Antell I have read Liane Beam Wansbrough’s article on the topic of cosmetic plastic surgery, and I am writing to express my viewpoint and feelings as I feel so strongly about this subject. Whilst I can appreciate why you would choose to help young teenagers who have a ...

Environmental Science

I am writing a report on greenhouse gases. Most of it is very depressing about how greenhouse gas emissions have increased over the pats decade. I want to highlight, however, greenhouse gases, if any, which have decreased. Can you think of any?

Calculus

A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 31 feet? A = x(31/2-1/4 (2+pi) x)+.5pi(x/2)^2 This is what I...

Math 7

A photo studio offers different sized prints of the same subject. The original print measures 8 inches by 10 inches. A printer enlarges the orginal the orginal by a scale factor of 1.5, and then enlarges the second image by a scale factor of 3. What are the dimensions of the ...

health care

I am asked to write an essay on at least one item not covered in my text about improving the patient intake process; the text seems to cover all relevant points. My question is: can I approach this assignment by stressing the need for electronic medical record? Does this sound...

Chemistry

I was asked this question for homework but I don't even know where to begin. It has 3 parts to answer. 1) add all lone pairs and make multiple bonds with the framework shown to satisfy the octets and make the best Lewis structure. 2) For the C-N bond(s) in each molecule ...

PHYSICS

Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #4: What is the increase in thermal energy to a 2000 kg bus and its ...

tough physics question

A 500 turn solenoid with a length of 20 cm and a radius of 1.5 cm carries a current of 2.0 A. A second coil of four turns is wrapped tightly about this solenoid so that it can be considered to have the same radius as the solenoid. Find the following when the current in the ...

English

1. He still felt fun about the show to watch the dynamic movements of the dancers. 2. He still felt funny about the show to watch the dynamic movements of the dancers. 3. He still felt fun to watch the dynamic movements of the dancers about the show. (Are they all grammatical...

English

1. I was upset with what he said. 2. I was upset about what he said. 3. I was angry with what he said. 4. I was angry about what he said. 5. I was angry at what he said. ------------- Are they all grammatical? Which prepositions do we have to use? Is 'with' is commonly used?

us history

1. Using what you have learned about President George Washington, which of these government characteristics would George Washington support? Absolute power of the president Alliances with other nations Strong central government *** Powerful political parties 2. Read the ...

9th grade HEALTH

MY QUESTION IS ABOUT HEALTH... I HAVE A MIDTERM DUE MONDAY 01/26/2009.. AND I REALLY DON'T KNOW HOW TO START IT I HAVE TO USE I,ME,MY STATEMENT ONLY... HOW CAN I START MY MIDTERM??..PLEASE HELP!!??

Physics

A hydroxide ion (OH−) in a glass of water has an average speed of about 600 m/s. Determine the magnitude of the electrical force between the hydroxide ion (charge −e) and a positive ion (charge +e) that is 1.0 × 10−8 m away (about the separation of 30 atoms...

History

1. Why is Lincoln giving a speech at Gettysburg? A.To declare the Confederacy an outlaw nation B.To declare that to goal of the Union is to abolish slavery C.To dedicate a national cemetery for Union and Confederate dead D.To try Confederate soldiers for treason A? 2.When ...

com 220

ok so for my final essay I have chose to write about teenage pregnancy but Im a little confused as to which direction I want to go on my paper...any suggestions? I was leaning more towards the education about teen pregnancy how little education there is for kids today...also ...

physics

an apple weighs about 1N. what is its mass in kilograms ? what is its weight in pounds?

physics

A 5 kg block of average density .625 kg/m^3 has a volume of about _____ cu. m

physics

A 5 kg block of average density .625 kg/m^3 has a volume of about _____ cu. m

physics

what can you say about the forces on a brick lying still on the floor?

Phys Science

ok i posted it twice and no one has yet to help me about my physics

physics

how did nikola tesla change the world? and why students do not know about him and his inventions?

Physics

What are some scientific questions that can be asked about projectile motion?

Algebra I

Thanks Reiny, but I'm still lost. I understand how you multipled by 10X on the right to get 17x, but you went too fast on the left, and I have no idea how you got 10x^2-20 from the starting left side. Can you show each step? Thanks, Carol x - 2(1/x) = 17/10 multiply each term ...

math

I have a question about sets. If you have uppercase letters and lower case letters and they question is asking are these equal or equivalent or neither. I believe it would be equivalent because they are the same but different. Please help thanks

DNA

I have to build a DNA and RNA structure. It must stand on its own. What materials would you suggest i use? Thank you. http://biology.about.com/c/ht/00/07/How_DNA_Model_Candy0962932481.htm

Physics - Mini Lab

The reason I didn't do this was because I was gone the day they did this at school. And the teacher said I couldn't do it at school. So I need help and my teacher is a jerk, so I have no idea what to do. Please help me. I really need a good grade in this class. Please and ...

physics

The free-fall acceleration on the surface of Jupiter is about two and one half times that on the surface of the Earth. The radius of Jupiter is about 11.0 RE (RE = Earth's radius = 6.4 106 m). Find the ratio of their average densities, ρJupiter/ρEarth.

Math

I have 3 questions: 1) If ABC and DEF are three- digit numbers, which of the following could be the number of digits in the product of ABC and DEF? i. 4 ii. 5 iii. 6 I don't have the vaguest idea on how to do this and what type of math it is part of... My answer is 6 only but ...

Algebra 2B

Come up with a new linear function that has a slope that falls in the range −< < 1 0 m . Choose two different initial values. For this new linear function, what happens to the function’s values after many iterations? Are the function’s values getting close to a...

Stats

HELP!! I have no idea to get this answer :( a doctor wants to estimate the HDL cholesterol of all 20-29 year old females. how many subjects are needed to estimate the HDL cholesterol within 4 points with 99% confidence assuming the standard deviation is 10.8? Suppose the ...

Language Arts

Underline who or whom to complete each sentence correctly. 1.(Who, Whom) is your favorite athlete? Underline Who 2. I disagree with Alan, (who, whom) likes basketball players Answer: Not Sure 3. About (who, whom) is that article written? Answer: Not Sure 4. (Who, Whom) did you...

government

Which statement BEST describes the philosophy of Sir Robert Filmer? A. Kings derive their power from the consent of their subjects. B. Kings have a divine right to absolute authority over their subjects. C. Government’s principle duty is to protect the individual rights of ...

physics

I have a question based off of the response to the question I posted below. Sorry, i wanted to make sure that i clearly understood,so My question about the third solution is: Is the horizontal force zero N? or is it 721.3N? A dragster and driver together have mass 918.8 kg. ...

physics

How do i go about this question? Suppose a car is traveling at 20.0m/s, and the driver sees a traffic light turn red, After 0.530s has elapsed (the reaction time), the driver applies the brakes, and the car accelerates at 7.00m/s2. What is the stopping distance of the car, as ...

Health

How much calories can you have each day? That depends upon your weight and activity level. Check this site. http://pediatrics.about.com/library/bl_calorie_calc.htm

English

I got the question on corruption in the play hamlet for homework. I wonder should I focus on the Danish court in general (for example the way Hamlet refers to the world around him as 'an unweeded garden' or containing 'things rank and gross in nature', the way corruption ...

statistics

Please help. I have no idea how to do thisA cereal manufacturer seeks to test their newest product against a competitor’s. A group of 100 children was asked to evaluate each brand, and then to express a preference. To guard against bias, neither the children, nor the ...

Thinking About What to Write About in an Essay

I'm writing an essay about charity (which means "In its widest and highest sense, charity includes love of God as well as love of man. The latter kind of love is so closely connected with, and dependent upon, the former, that neither it nor its fruits, under the Christian ...

Physics

these are practice questions that i have the answer to, but i don't know how to solve them: 1.A human hair is approximately 50um in diameter. Express this diameter in meters. 2. if a radio has a period of 1us, what is the wave's period in sesconds? 3. A hydrogen atom has a ...

Oral report

I have to do an oral report and i have never realy written one before so how should i start off, like should I say my name or talk about the topic ...? Thanks: Leslie

Criminal justice

You have read about many of the important players in the criminal justice process: judges, prosecutors, jury, etc. Which do you think are the most important and why? You don’t have to rank them, but explain who you believe would be in your top 3 and why.

Criminal justice

You have read about many of the important players in the criminal justice process: judges, prosecutors, jury, etc. Which do you think are the most important and why? You don’t have to rank them, but explain who you believe would be in your top 3 and why.

anthropology

I have to write a paper about the role anthropologists play in migration with 3 examples. They just study migration, right? so would I just pick 3 examples of different people that have migrated?

Careers

I want to become a Construction engineer when I am older. In class I have to make a presentation about wanting to become a Construction Engineer, the only thing I can't find is how long you have to go to college to be able to do this work. Can you help me?

history(am i correct)

o Explain how the U.S. became involved in the politics of Southeast Asia. o Explain how this involvement affected the U.S. political climate of the 1950s. can you please help me find some info for this please. So i have a better understanding to do a powerpoint presentation. i...

history plz help

Explain how the U.S. became involved in the politics of Southeast Asia. o Explain how this involvement affected the U.S. political climate of the 1950s. can you please help me find some info for this please. So i have a better understanding to do a powerpoint presentation. i ...

Physics

A cubical block of wood 0.100 m on a side and with a density 550 kg/m^3 of floats in a jar of water. Oil with a density of 750 kg/m^3 is poured on the water until the top of the oil layer is 0.035 m below the top of the block. 1. How deep is the oil layer? Please tell me the ...

Language Arts please help

1)Which of the following best describes an expository essay? an essay that uses casual, conversational language an essay that tells a story about a real-life experience an essay that explains an idea by breaking it down*** an essay that uses humor to achieve the author's ...

international economy

Hi. My name is Niels, and i come from Denmark. i go to business school, and i am doing a project right now about North Korea. it is includes the two subjects: society, and international economy. the exact thing i am writing about is: North Koreas economy, the people in North ...

physics

Interestingly, there have been several studies using cadavers to determine the moment of inertia of human body parts by letting them swing as a pendulum about a joint. In one study, the center of gravity of a 5.0 kg lower leg was found to be 18 cm from the knee. When pivoted ...

To yvonne/GK

Yvonne. Did you type all of the question about osmosis? correctly? I have struggled with it and something about it doesn't seem right. GK. Doesn't the NaCl enter the equation? And shouldn't the mass MgCl2 be less than 0.5000 gram? The total NaCl + MgCl2 has a mass of only 0....

history

what was america's response about joining the league of nations (after ww1)? a- the public thought that america should lead the league of nations b- the public generally supported the idea but wanted to play a smaller role c- it supported the president and actively took part ...

English Thesis Statement

Critique my thesis please? Sartre uses the ideas he lays out in “Self-Deception” in his short story “The Wall” to establish the connection between bad faith and living toward death, and to reject the Freudian notion of the unconscious in favor of the idea that ...

health information

Paula Patient's attorney asks Dr. Bob for medical records about Paula's car accident and promises to provide a written authorization from Paula later. Dr. Bob gives the attorney Paula's entire file, including her records about treatment for HIV. Discuss any violations of HIPPA...

French/SraJMcGin

Sorry, a little more about liaison svp. You explained that it is ok to have a liaison between "vais" and "à" but how about "tu vas à" and "ils vont à"??? Would there still be a liaison??? And there isn't a liaison when I say "tu manges une poire", or " nous mangeons une ...

health information

Paula patient's attorney asks Dr. bob for mdical records about Paula's car accident and promises to provide a written authorization from Paula later. Dr. Bob give the attorney paula's entire file, including her records about treatment for HIV. Discuss any violations of HIPAA ...

Physics

A physics student of mass mm = 100 kg gets a summer job painting houses. On his first project, he builds a platform using large pine board with a mass of mb = 60 kg The board has an overall length of L = 8.5 meters and set on two 1 meter tall saw horses so that l = 2.25 meters...

Math

A 6.4 ton military fighter must land on a flight strip. If the plane lands at a speed of 368 mph, and the coefficient of kinetic friction is 0.72 between the wheels and the ground. If the runway must be at least 150% as long as the shortest possible landing distance of the ...

chemistry

An insulated beaker contains 250.0 grams of water at 25oC. Exactly 41.6 g of a metal at 100.0oC was dropped in the beaker. The final temperature of the water was 26.4oC. Assuming that no heat is lost in any other way, calculate the specific heat of the metal. a. 0.159 J g-1 K-...

8th Grade Pre-Algebra

Find the value of the following expression: (2^8 ⋅ 5−5 ⋅ 19^0)−2 ⋅ (5-2/2^3)^4 ⋅ 2^28 (5 points) Write your answer in simplified form. Show all of your steps. (5 points) Please somebody help me I'm so confused. I know I'm supposed to use ...

1861 England

Did anything major occur around the 1860s in England? Other than inventions and England's take on the American Civil War. http://www.scopesys.com/year/ You'll have to change the year and then check month by month to find out. This includes things that happened in the world, so...

English

I read a text about a girl/boy comparing the choise of a career/job with a jigsaw puzzle. My teacher asked me to tell who this person is and were this person is going? I have trouble with were this person is going. I have to do one paragraph !! Please help !!

World History

The Mongols have a terrible reputation in history as pillagers who destroyed all that met their path. How does this depiction of the Mongols compare with the same people who brought the Pax Mongolia? help please, I don't get it. I have to do this for History, But I don't know ...

algebra

the cube root of the volume of a cube gives the length of one side of the cube. volume=343cm cubed a. find the side length of the cube shown b. find the area of each face of the cube i have no idea how to do this!

Project

I have to do a project on energy efficient ways to run cars. First I have to pick a car and tell about how it runs. I also need statistics to prove my findings. If anyone knows a good web page or pages, please feel free to tell. Thank You.

English

I have a compare and contrast essay to do, and i need it to be really good, its about Oniomania and Frugality.I have already made my list for the compare and contrast part but i cant come up with a thesis statement to link the two and also separate them at the same time... plz...

English

I have to record observations for every main character on "The Simpsons", like the satirical characteristics, then I have to describe the comments or criticism made about society through the character. When I watched the season 10 episode "Lisa gets an A", I couldn't find the ...

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