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

163,123 results, page 82


A cube of solid aluminum has a volume of 1.00 m^3 at 20 degree C. What temperature change is required to produce a 100-cm^3 increase in the volume of the cube? I know you are supposed to use: DeltaV=Beta*Vo*DeltaT. But I don't know what Beta is and the ones I have found have ...

english please help y none is helping

Please help me what this quotes mean then I have to write WHAT I think about it. i already get eight of them but idont get rest of them. 1) Or I will become engulfed with all I did or I did not do, with what should have been and what cannot be helped 2) You do not guess how ...


The First Amendment to the Constitution protects freedom of speech and of the press. Which of the following examples best demonstrates the constitutional rents? A. An advertisement contains incorrect information about a company's products. B. A man yells, "Fire!" in a sold-out...


The First Amendment to the Constitution protects freedom of speech and of the press. Which of the following examples best demonstrates the constitutional rights? A. An advertisement contains incorrect information about a company's products. B. A man yells, "Fire!" in a sold-...


Rotating cylinders are not just physical abstractions: for example, they can turn a flow of the air, thus creating lift as the airplane wings. Historically people have even used rotating cylinders to power ships (although with little efficiency). NASA wrote more about this ...

Really Physics

A 2.4 Kg object moving to the right at 0.8c collides with a 3.2 kg object moving to left at 0.6c. They stick together. Find the mass and velocity of the resulting combined object by; a) assuming that you have no knowledge of relativistic physics, b) using the special theory of...

math urgent help needed!!

I am so sorry but this homework is due in half an hour. Please help me! A smokestack deposits soot on the ground with a concentration inversely proportional to the square of the distance from the stack. With two smokestacks 20 miles apart, the concentration of the combined ...


A car goes from a dead stop to 25m/s in 5s going east. It keeps going then slows down after it reaches 60m/s. It is being drived on level ground. For the first 5s the magnitude of the velocity vector increases at a constant rate. What is the Instantaneous velocity of the car ...

Algebra word problem

I have no idea how to start this problem can some one explain to me am i suppose to divid 1/10 by 1/4 which i get 4 but i feel i am missing some thing am i am Fungicides account for 1/10 of the pesticides used in the United States. Insecticides account for 1/4 of all the ...

relative velocity please help exam tom.

the paper delivery boy tires to throw the paper ubti your narrow driveway without slowing down. his pickup truck travels at 10 mph and he throws the paper at 20 mph just as the truck passes the drive way. a) in what direction should he throw the paper in order for it to land ...

teaching in early chldhood programs

A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set. B. Use centers only ...

teaching in early childhood programs

A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set. B. Use centers only ...


As a prewriting exercise for my evaluative essay, I have to open the story that i have chosen and write two quick paragraphs or a list about it. I have to put my opinion of the work first and then add specific reasons why i feel that way. I'm writing on "Daugher of Invention" ...


I need help brainstorming ideas for the following below: our assignment is that : "You have been asked by the college union to research a way that will make the lives of its students easier. You should consider ONE facet of a students’ life that you would like to help with (...


for english i have to do a project and it can be on anything i want. i have to have a persuasive essay and a how to and the history on the subject. like my friend is doing ice cream and we are making it in class. my other friend is doing texting and having texting races in ...


I just finished reading Macbeth for school. My teacher assigned a essay for us to do. She asked if we think the witches' predictions were right or if the witches' predictions were disappointing because of duality and doublespeak. I said that I believe in neither and I believe ...


You went to lunch with your friend and the bill is $19.00 your lunch is $3.00 more than your friends. How much was your friends lunch? f + 3 = 19; $8.00 3f + 2 = 19; $8.00 2f + 3 = 19; $8.00 2f - 3 = 19; $8.00 Mark weighs 74 pounds. together he and his sister weigh 6 pounds ...


The mass of jupiter is about 1.900*10^24 metric tons.The mass of the sun is about 1.998*10^27 metric tons.about how many times the mass of jupiter is the mass of the sun?give answer in scientific notation.

Physics 11

A rifle bullet of mass 60g leaves the muzzle of a rifle with a V=5.8*10^2m/s. If the rifle has a mass of 3.1 kg, with what V will it recoil? I'm at a total loss here because I feel like I don't have enough information... I just need to know what formulas to use with the ...


Today I found 4 ticks on my dog's head, and tomorrow she is going to be pet-sitted by my grandma, who also has a dog. I don't want her to bring ticks into my grandma's house, but I don't know what to do! We brushed her really thoroughly and looked all over her, but couldn't ...


I have a quick question. It's about the Holocaust.What kind of people in Germany would support the Holocaust and why? It was so horrible yet Germany still got away with it.

AP Chemistry

If you combine 2.00 ml 2.0 x 10^-3 M KSCN and 98.00 ml 2.0M Fe(NO3)3 what is the concentration of FeSCN? I know the equation (V concentrated*M concentrated)=(V diluted *M diluted) should be used, but how do you go about that when you have two initial substances?

research writing

Emotional Appela has no place in expository writing. Do you agree. my answer is yes i do. Why, or Why not. why because you have to do alot of research with some opinoins right. What do you think about my answers.

history-renaissance/middle ages

How were women viewed in the medieval times? What would medieval men have said about Petrarch's (poet) view on women? thanks!


Hi, I need a title for my essay it is about woman being unhappy with their marriages. I wanted to call it dissatisfying Marriages. If you have a better title that you can offer, please do.

Survey ?

Why should people be informed about teen suicide? ( I need like a stong reason It's a survey question that we have to ask different people. Thank you for helping me out)

write a paragraph

well i want to write a paragraph without mistakes would you please give me a subject and i'll talk about it and then you can correct it for me i have an exam that week so i'm waiting for your answer thank you.

World History Honors

Why did legalist, artist on legalist rule rule, confucian's, and mauryan's might have held such different views about government?


Mr.silverman is tiling his rectangular kitchen floor. The dimensions of the floor are 12 2/3 ft by 10 1/8 ft.The tile he wants costs $1.80 per square foot. About how much will he have to pay for tile?


I need help on; how to contrast Walt Whitman perspective of America with the perspective that the members of Occupy Wall Street and the the Tea Party movement have about America.?


I need a thesis statment for an esaay. I have read the short story "the large ant" but cant think of any thesis statment. Its about human nature and violance.


MS. SUE PLEASE I NEED YOUR HELP! The attendance records for four Major League baseball teams for 2011 are shown below. Florida Marlins: 6.76 * 10^5 Los Angeles Angels: 1.26 * 10^6 Pittsburgh Pirates: 9.78 * 10^5 Chicago Cubs: 1.87 * 10^6 Which team had the greatest attendance...


A pendulum was set up and measurements were made to enable the mechanical energy to be calculated at the start position S and the lowest point of the pendulums swing L. The mass of the pendulum bob was determined on an electronic scale and its diamter was measured using ...


If you sit in a good swivel chair with your feet off the floor, the chair will turn slightly as you move about but will immediately stop moving when you do. Why can’t you make the chair spin without touching something?


A 48-N object floats in a pool. If 75% of the volume of the object is immersed in the water, which statement is true about the buoyant force FB on the object? A. FB=48N B. FB=36N C. FB=64N D. FB=12N E. This is not possible to answer with the information given.

As Physics

Motion and Projectiles Homework-Due tommorow Extended Writing Task: Freefall Two identical steel balls are released from rest above cylinders containing oil as shown in the diagram below.The balls travel vertically until they reach the bottom of the cylinder. The graph below ...

social studies

Hi, Can you help please? I usually have my answer ready and ask you to check it , but this time I cannot find it? The question is--- What difficulties did the North face from its own people? This is a question from a worksheet of 12 questions and it is from the chapter about ...

enhancing children's self esteem

I need a little help.2.according to many social scientist,adolescence ends for most people. A.when the physical and intellectual changes of puberty have occurred the time the person reaches age 20. C.when they're most comfortable with and have a clear understanding of who...


Hi i have to write an essay about The Sun Also Rises by Ernest Hemingway..i was wondering what some thesis statements would In this book the lost generation was a term that described how the main characters lived their lives? im not sure thanks

Historical Lit Classic

Has anyone here either read Herodotus' The Histories or gained a familiar with what recent scholars have written about them? What has academia explored within the last few decades in major journals that would be worth investigating?

College History

Were doing a reacting the past game in my class, and i need some help on coming up with an argument for the side of Moderate Demorcrate about-- "Should the electorate be limited to those who have atteneded special schools or otherwise intellectuatl merit?"

MGT 495 Organizational Strategies

I have to complete a career external environment assessment that has to be 3-5 pages long, but I am not understanding what it is that I am supposed to be writing about, can someone please help me out??? It's due by midnight and my instructor has not emailed me back yet.

social studies

Which was not a reason for Louisiana Purchase? a) to support the belief that the U.S. was destined to expand b) the provide settlers with land to move to c) to remove the Spanish from North America d) to not have to worry about losing right of deposit in New Orleans

POLL - everyone is welcome to answer

So I am home schooled but it says to ask classmates, which I don't have so I am resorting to the internet. The question is: What do you trust and mistrust about the federal government ? I am also suppose to put the results into a bar graph. How would I set that up? Thanks!

Repost- Biology

A scientist separates plant pigments from leaf, root, and stem samples by paper chromatography. All the leaf chromatographs include yellow green and blue green spots but none of the root and only a few of the stem chromatographs have these green spots. Many of the samples have...


I included other questions. Can you please help me improve them? Thanks a lot. 1) Do you like staying with your host family? Do you think you will miss them once back in America? 2) What will you miss most about your staying in Italy? (Your host family, new friends, the food ...


My question is about connectionism.I have a program that conctruct connectionist models.Presumably I have number of unit for example one of them is unit1 that represent room: for example office how do I find out data input for that unit I saw somewhere ready data input for ...


Standing at the edge of a cliff 240 m tall. You throw a ball into the air one directly upward at 5 m/a and another downward at -5 m/s. Use conservation energy to show that they will have the same speed at the bottom. I know I have to do it twice.. And it should seem simple. I ...


The driver of a sport car pushed down the accelerator so that the engine pushes the care forward with a force of 2500N,s tarting from rest. How fast the car can go after 20s later? I have tried this by using v=u+at but i don't have a. From F=ma, i cant get the value of a since...

Creating High-Quality Centers

Which of the following statements accurately reflects what we know about facilitating science learning for infants and toddlers? A. It's important to have a science circle each week where the teacher demonstrates a science concept to the infants and toddlers. B. Infant and ...


If I have to put a apostrophe in this sentence would it be like this The Henderson's never change;They're always complaining about Mr. Scobb farming land that is rightfully their's. No. There is no apostrophe after names and after their. The Hendersons never change; they're ...


A bus service carries 10 000 people daily between Ajax and Unoin Station, and the company has space to serve up to 15 000 people per day. The cost to ride the bus is 20$. Market research shows that if the fare increases by $0.50, 200 fewer people will ride the bus. What fare ...


Calculate the angular momentum of a solid uniform sphere with a radius of 0.120m and a mass of 14.5kg if it is rotating at 6.15rad/s about an axis through its center. Part B Calculate kinetic energy of a solid uniform sphere with a radius of 0.120m and a mass of 14.5kg if it ...

Writing Skills

1. What do we call an idea that will make the reader take notice and want to read on? A. Card B. Summary C. Hook D. Point of view Student Answer: B Answer: Incorrect Reference: 3. The most important difference between an outline and finished writing is the A. details. B. ...


do you know " how to choose the perfect puppy"? english assignment and have to write 5 paragraphs on a topic of my choice. chose the above topic. know need help!!!!! project due on oct 24 2067(no! 2006 LOL!) Well, you can write on how big the puppy is going to get, will he be ...


Driving down a mountain, Tom finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundredth. Here what I have -1800 divid it by 3.25*5280ft -1800/17160 -0.105 ...

Gammar Check

Kate Chopin¡¦s stories are essentially about the struggle of freedom Kate Chopin was one of the most individual and adventurous nineteenth century American writers. Throughout Kate Chopin¡¦s stories, she gave the readers a woman¡¦s view of how repressive and confining ...


The tracks of Angel's flight extend 96.0 m along the side of a hill at an angle of 18.4 degrees with respect to the horizontal. If each car has a passenger with a mass of 70.0 kg, what is the total mechanical energy associated with the two passengers when the cars are about to...


umm i need help...which equation would i use to solve the probnlem and how do i go about finding the answer? Here it is: Sam tosses a ball horizontally off a footbridge at 3.1 m/s. How much time passes after he releases it until its speed doubles?

Physics Need help please

An ancient wooden club is found that contains 270g of carbon and has an activity of 8.3 decays per second. Determine its age assuming that in living trees the ratio of 14C/12C atoms is about 1.3x10^-12? t= in years


I posted a question about the following: Details that show the impact of the problem (effects) on Jack, Ruth and the company Section 2 The steps needed to change the situation Reason to implement each step, including the benefits to your employees, your supervisor, and the ...

Romeo and Juliet Summary

Could you please read my act 1 summary of Romeo and Juliet and if there are any changes needed please let me know. It doesn't matter if you don't remember the first act but as long as it sounds right to you. Thanks God Bless Sampson, and Gregory who are sevants to Capulets, ...


in the book "passing" by Nella Larsen, how is each character trapped? I was thinking about writing how they are in a way trapped within themselves, and have internal conflicts. Would that qualify as them being trapped?


Can someone help me figure out what me figure out what my teacher is talking about here. I had to write a self introduction and she told me that I had spelling errors and redundant words. I don't see where she's talking about. My name is Devyn Donahue. I am originally from ...

year 7 ict

please could someone tell what a screenshot is. i need to explain the different sections but ive got no idea where to start. ive looked myself but can`t find anything to help. thanks to anyone who helps me.


Can someone tell me the lyrics for "That Lucky Old Sun" by Gillespie and Smith? Need to identify main idea of the song with supporting details using specific examples from the song.


How many grams of aspirin (C9H8O4) are required to react with exactly 29.40 mL of a 0.02400% w/w solution of sodium hydroxide (NaOH)? What would the consequences be in 0.01200% w/w solution was used instead? Thanks for any help - no idea how to proceed.


The idea of the Mandate of Heaven was: A. introduced in the Bhaghavadgita. B. borrowed from Tibetan nomads in the fifth century B.C.E. C. introduced by the Zhou dynasty and it served to legitimize its power. D. contained in the Rites of Mao.


Topic sentences in body paragraphs should usually show some relationship to an idea from the introduction or thesis statement. 1. True 2. False I answered true. Check my answer for me and thanks.

business management & leadership

Select an organization that you have worked for or one that you are familiar with and find the goals the organization has set. Many times this information can be found on the company's website. Search the Library and the Internet and research goal setting. Compare the ...

Business Management and Leadership

Select an organization that you have worked for or one that you are familiar with and find the goals the organization has set. Many times this information can be found on the company's website. Search the Library and the Internet and research goal setting. Compare the ...


Water and gasoline are both clear liquids at room temperature. Describe one physical property and one chemical property that might be used to distinguish between them. Plz help physical:smell chemical: pH value What about density? The density of water is 1.00 g/cc and the ...

Physics repost please check

A lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.280 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.00 kg plate of food and a 0.210 kg cup of coffee. Obtain the force T exerted by the ...

about this site please read

im trying to post something but it says I cant because youre not allowed to post internet addresses but I don't have any in my post please help. You likely have a www in the text. nope read it over and over .is that the only thing it could be because I really need to post this...


Japan and Fiji are both island countries. The population of Japan is approximately 1.3*10^8. The population of Fiji is approximately 8.8*10^5. Which is the best estimate of how many times as great the population of Japan is as Fiji? A about 1.5 times as great B about 15 times ...


This is my third time to ask this and no one has answered. Please help. An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced...

english1A- need help with my thesis

Ok I think I was going the wrong way with my Gender topic. I think I should write about how times have changed and society evolved, women and men do not perform their traditional roles as they use to and do not dress the same as they use to. And women go to school now, work, ...


Pleaese correct my answers on the potential interview for telll me about yourself. i'm 48 years old, previously i have been working abroad in k.d.s as photolab operator since 1993-2003. i completed a training course in caregiver may 2003. from 2006-2015 i have been working ...


Write a short story about a main character who undergoes a change or learns something. If you feel your creativity is lacking, remember writing about what you know, your own personally experiences or those of your friends and family are easy to turn into an entertaining short ...

Sports and Society in Ancient Greece and Rome

OK. I am trying to work on a project and I need help with one or two things. 1. I have come up with an idea, but can't seem to get it to fit in the fields of sports or society in the ancient world. I wanted to do a web page on Actaeon and Artemis, but I can't seem to place it ...


I'm Writing a Discursive Essay on the topic "is it more difficult to be a young person today then it was 50years ago", I have these main points: "we have technology but its brought us media pressue" "Better education system but with more pressue to succed" "Medical ...


A woman with mass 50.0kg is standing on the rim of a large disk that is rotating at 0.500rev/s about an axis perpendicular to it through its center. The disk has a mass of 110kg and a radius of 4.00m.

Physics help

A solid cylinder rolls along the floor. What is the ratio of it's translational kinetic energy to its rotational kinetic energy about an axis parallel to its length and through its center of mass?


How would I o about solving this: When a load of 1000000 Newtons is placed on a battleship, the ship sinks only 2.5 cm in the water. Estimate the cross-sectional area of te ship at water level.


ottawa is about 8 hours drive from x. assume that you are moving non-stop with constant speed of 100km/h how much faster would it take for you to travel if you were moving with the speed of light


anyone else know how to go about solving this complicated problem? Your friend has climbed a tree to a height of 6.00 m. You throw a ball vertically up to her and it is traveling at 5.00 m/s when it reaches her. What was the speed of the ball when it left your hand if you ...


Two objects are dropped from the same height. One object has a mass of 5 kg and the second a mass of 10 kg. What quantity(s) is/are different about the two masses just prior to impact with the ground?


The actual speed of electrons drifting along in a common electric circuit is about the speed of which of the following?. A) sound.B) a fast-moving automobile.C) light.D) a slow-moving snail.


Jada throws a rock horizontally from a bridge 32 m above the water, which hits the water approximately 25 m from a point immediantly below the bridge. Show that Jade's tossing speed was about 10 m/s.


an electron inside spherical metallic particle of volume 10^ -12 metre cube has a kinetic energy about 10 eV. use uncertainty relations to find relative uncertainty in electron velocity


Three cubic meters of liquid nitrogen has a mass about 2700 kg. When this much liquid nitrogen evaporates into gaseous air of density 1.25 kg/m3, what will its volume be? Show your work


A ball is moving to and fro about the lowest point of a smooth hemispherical bowl. If it is able to rise up to a height of 45cm on either's speed at the lowest point must be?


Can pls someone explain me this ? Thank you The Browns’ gross monthly income is $2900. They have 12 remaining payments of $410 on a new car. What maximum monthly payment does the bank’s loan officer feel that the Browns can afford? For Further Reading Maths - drwls, ...

Earth Science

Please help me with the following questions: 1. A scientist suspected that the increase in the acidity of ocean water could have a devastating effect on organisms such as snails because it could break down calcium carbonate, a chemical that makes up their shells. Which could ...


One device used for throwing spears is an atlatl. This device was used by human hunters over 20000 years before the invention of the bow ad arrow. It effectively increases the length of the hunter's arm allowing a spear to be thrown further than it could be by hand alone. A ...


I left out this part. Thank you very much, Writeacher. 1) Have you received any news about our common project? How are things getting on in England? When do school holidays start in England? 2) When do you think we will know if the Commission has approved our project? Please ...


Gabe lives fifteen miles from school and the bus stops seven times at three minutes each between his house and school. The bus arrives at his house at 7:30. Gabe's friend Aaron lives 8 miles from school and the bus stops four times at 2 minutes each between his house and ...

Physics/Nautical Mile

Still studying! I have The Macmillan & Silk Cut Nautical Almanac from 1981 which pre-dates WGS84 and they make reference to the NM being 6046 feet at the equator and 6108 feet at the poles. Conversions to metres = 1842.82m and 1861.71m. Remarkably similar to WGS84 derived ...

Spanish #2

Para sacar una buena nota en el examen...Look at the drawings and write two complete sentences about what the following people have to do. 1. There is a boy reading and he is sitting on a puffy cushion. I wrote: El chico tiene que leer. Él tiene que descansar. 2. There is a ...


I am having a hard time coming up with several sentences about an interaction with a friend or family member about personal finance or credit cards that includes five different pronouns, adverbs, and adjectives. Can anyone help me?


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