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

163,123 results, page 59

Calculus 2

An underground tank full of water has the following shape: Hemisphere - 5 m radius. at the bottom Cylinder - radius 5 m and height 10m in the middle Circular cone radius 5 m and height 4 m at the top The top of the tank is 2 m below the ground surface and is connected to the ...

Social Studies

People may have reached the region that is now Louisiana about _________ years ago? a. 6,000 d. 18,000 b. 12,000 e. 24,000 This is simply a stupid question. It is a very intensive field of investigation, yet no definitive answer is yet available. Currently there is some DNA ...

integrated math 1- please help!!!

Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 70% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the person chosen is from ...

social stuides

The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians. By 1612, Virginians were shipping tobacco to England, which led ...

Belinda, Math

I aked the instructor about that problem that looked like this: (w-(1)/(4))^2 and he said that what i thought was right. which was : the answer:w^2-(1)/(2)w+(1)/(6) Yes, that's right. I just thought your way of getting the answer was more complicated than it could have been. ...

English

Ms Sue, can you please check these two sentences, I need to include in an email? Thank you. 1) Sorry, for disturbing you. We have received email (emails) from four of your students, namely ..... 2) Could you please let me have your list of students before tomorrow's meeting, ...

literature

for this subject i have to write a fictional story. the focus is character motivation. i don't really know what that means..like i had already written down my topic of a love story..about a young girl who falls in love with the wrong guy.. but then i saw this character ...

Reading/ L.A

I am doing a Reading project about mysteries and we have to present it to the class for the students to figure out the ending. If you have any sites that would directly answer my question, that would be a great big help. It has to be short and i need the answer and problem for...

Chem/Physics

1. How much work is necessary to accelerate a bullet having a mass of 5.0 g to a velocity of 1000. m/sec? This was on a chemistry problem set of mine, and it seems like a very physics-oriented question [I have not taken physics.] Could someone point me in the right direction ...

English

WHy is the importance of being open to new ideas? This is a very vague question, but this is my thought: The question of the importance of being is open to new ideas because it is an unsolvable question. Being unsolvable, new perspectives will always come into play. The ...

statistics

1.For 10 pairs of data, the correlation coefficient is computed to be r = -1. Wht do you know about the scatter diagram? 2.You are considering the most expensive purchase that you are likely to make: the purchase of a home. Identify at least five different variables that are ...

Science

1.How is science & society related? i have no idea what the answer to this question is 2. What is a scientist's usual next step if data supports a hypothesis? can you tell me if i'm right?... i think that they either published or the experiment is repeated. If data support the...

social studies

in 1975 supreme court justice potter stewart spoke to a group of reporters about freedom of the press he said "if you look at the literal language in the 1st amendment of the constitution it says congress shall pass no law abridging freedom of press. it says nothing about ...

Critiques cont'd

So, if I spend about 5-6 minutes planning what else would I write except for a couple of bullet points about my two main examples? Would it just be this: ex1: _____ -something -something ex2: _____ -something -something Is that it? Also, I think I need help as Mr. Pursley ...

physics repost

sorry! I never noticed..the mass should be 52000kg sorry about that!

Physics

For Hooke's Law, the one about springs and mass, is the mass M a unit of g or kgs?

physics

The natural greenhouse effect raises the surface temperature at the surface of the Earth by about 20 or 40 k?

physics

What can you say about the direction of the resultant force on the plane as a jet plane lands?

physics

A hydrogen atom has a diameter of about 10.1 nm. Express this diameter in meters, millimeters, and micrometers.

physics

In a typical electron microscope, the momentum of each electron is about 1.4 10-22 kg-m/s. What is the de Broglie wavelength of the electrons?

math, algebra

How do you solve the following: Directions:Factor Can you show me!!! (1) x^2-x-12 (2)x^3+2x^2-3x Here is how I do it. First make two sets of parentheses. ( )( ) The first in each set of parentheses must give x2. Obviously that is x and x. Looks like this. (x )(x ) The sign in ...

flaws help please asap

In a 1995 Corporation for Public Broadcasting poll of TV viewership, one question was, “A recent study by a psychology professor at a leading university concluded that the amount of violence children see on television has an effect on their likelihood of being aggressive and...

HCA 220

I need help with a draft of final presentation it's due Tuesday and I need help with my final project: medical storyboard presentation. I have to create 15 to 20 slides for my powerpoint. It's about an episode of a medical drama or documentary. I have to use 45 medical words ...

English

Hello. Please help me with a few language problems. 1)Is it possible to say a)There are good responses about these experts. b)These experts have good responses. c)These experts are well reputed. Meaning: The experts have a good reputation, they are well spoken of. Are a),b),c...

physics

A 175 kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to ...

Spanish I

I have to write something as if I were giving advice to my little sister using the words llevar, salir, ponerse, hacer, and decir to join with the words un regalo, comida, temprano, ropa bonita, and gracias. Can you tell me if I wrote it correctly? Because I TOTALLY do not get...

physics - Damon

PLEASE SEE ADDITIONAL QUESTION AT BOTTOM. 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...

English

1. You should mime the picture and make your classmates guess what it is. 2. You have to use gestures to make your friends guess what the picture is about. 3. Mime the picture and make them understand what you want to do. 4. You can use body language, but don't say at all. By ...

English

Hi i am writing a response paper for "Cathedral" by Raymond Carver. Im not sure but is this a proper thesis statement. In the short story Cathedral, by Raymond Carver, a man refers to Robert as "this blind man." Not only is he categorizing Robert, but he's also making wrongful...

English

Hi i am writing a response paper for "Cathedral" by Raymond Carver. Im not sure but is this a proper thesis statement. In the short story Cathedral, by Raymond Carver, a man refers to Robert as "this blind man." Not only is he categorizing Robert, but he's also making wrongful...

Physics

Sense I'm not taking Physics C but Physics B I guess I'm not expected to find the value of the drag force sense that would involve soem calculus. I just have a question though. If we performed a lab outside wouldn't the drag force vary from time to time sense the wind could ...

English (Frankenstein essay)

I had to write an essay about Frankenstein . I had to talk about chapter five and say what techniques were used and I also had to talk about why it's still relevent and what the novel contributed. Please could you proof read it and help me to improve upon it? Are there any ...

journalism

plse help me i am in journalism and i am writing a oppinion paper on why my school should have a soccer team and i need help straightening some things out. this is wat i have ____ ____ has a Football team, Vollyball team, Baseball team, Cross Country team, and more. Why not ...

Chemistry

Gold is alloyed with other metals to increase its hardness in making jewelry. Consider a piece of gold jewelry that weighs 9.85 g and has a colume of 0.675 cm cubed. The jewelry contains only gold and silver, which have densities of 19.3 g/cm cubed and 10.5 g/cm cubed, ...

English

THAT is a wonderful idea! A loose leaf notebook where you can organize alphabetically will work beautifully. As you meet a character, give it a page. Then as that character develops, you add information to that page: their alias, characteristics you think important ( greedy, ...

Math

An open box is to be made from cutting squares of side s from each corner of a piece of cardboard 25" by 30". a.Write an expression for the volume, V, of the box in terms of s. b. Graph V(s) using your graphing calculator. Identify the domain and range of this graph. I believe...

English

Complete the sentences. My answers are with capital • to have gotten • to have told • not to have been advised • to have shouted • to have discovered 1. The customers were all surprised TO HAVE DISCOVERED of the policy changes. 2. The manager was known TO HAVE ...

Essay- Added a bit more

Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement (that which you will be writing about - in the form of a statement, or point of view) Two or three paragraphs, of about 8-10 sentences each, where you ...

physics

How fast would the Earth have to spin to have the person at 24.1° northern geographical latitude float apparently weightlessly across the room? Use REarth = 6,375 km for the radius of Earth. Thanks

wut iz 3x+4=2x+7

x+? wut iz 3x+4=2x+7 Last question I answer with wut iz. Subtract 2x from both sides. 3x-2x+4=2x-2x+7 combine terms. x+4=7 subtract 4 from both sides. x+4-4=7-4 combine terms x=3 The idea here is to get the unknowns on one side (in this exammple the unknown is x) and ...

English

Rephrase the main idea of the sample in your own words, without repeating words or sentence structure from the original statement. (I honestly can't seem to decide on how it should be worded) "Air pollution can also have a significant impact on our economy. It can cost a lot ...

Chemistry

The formation of tetrafluoroethylene from its elements is highly exothermic: 2F2(g) + 2C(s) <-> F2C=C2F(g) b) Rare bacteria from the planet Teflon eat C2F4 and make Teflon for their cell walls. Will the reaction go to the right or left if these bacteria are added? Right ...

12th grade

Okay I am doing a report on Thurgood Marshall. I am to a part where I am writing a little about his presidential nominations. Please help me on this! What exactly is a second court of appeals judge's job? What about a Supreme Court Justice? I am trying to say maybe a sentence ...

Writing

Do you think it is truly possible to get all of the information I would need to write an essay about the sudden "halt" or end of production of electric cars? And, what about the Hybreds? I am apprehensive about this topic because I may not be able to find all there is to know ...

English

i have a hard time calculating my grade & am in college. Please tell me the grade I have so far & will have, thank you!365 points in the course is needed. Lecture exams and quizzes are worth about 60% of the total grade &90 ≤ A 80 ≤ B < 90 70 ≤ C < 80 ...

Algebra

I am having such a hard time in this class. Hopefully someone here can help me to understand some of what they are trying to teach me. I have a problem here and have been working on it for about an hour now and I can not figure it out. I need to come up with an answer but I ...

Science

Check my answers please? Imagine that you remove all the atoms from a chair. What remains? 1. nothing 2. a pile of dust I choose 1. Which of the following is not made of atoms? 1. heat 2. a solid 3. a gas I choose 1. What about matter is true? 1. atoms are not matter but they ...

Chemistry

Commercial vinegar was titrated with NaOH solution to determine the content of acetic acid, HC2H3O2. For 20.0 milliliters of the vinegar 26.7 milliliters of 0.600-molar NaOH solution was required. What was the concentration of acetic acid in the vinegar if no other acid was ...

computer science

You have been working for the XYZ Computer Corporation as an entry-level software engineering since you graduated from college last May. You have done very well so far; you are respected by management, well liked by your fellow employees , and have been assigned to a team of ...

science

When substances such as sugar and table salt are dissolved in water, the freezing points of the new solutions are lower than the freezing point of water. Also, the more material dissolved, the lower the freezing point. The boiling points of these solutions, however, are higher...

trig

hi honestly speaking i have no idea how to even start this problem but i know that a cube is to the 3rd power here is the problem Denis is designing a storage box in the shape of a cube.Each side of the box has a length of 10 inches. she needs more room anddecides to ...

geometry

hi honestly speaking i have no idea how to even start this problem but i know that a cube is to the 3rd power here is the problem Denis is designing a storage box in the shape of a cube.Each side of the box has a length of 10 inches. she needs more room anddecides to ...

Physics

Two uniform solid spheres have the same mass of 3 kg, but one has a radius of 0.25 m while the other has a radius of 0.8 m. Each can rotate about an axis through its center. (a) What is the magnitude τ of the torque required to bring the smaller sphere from rest to an ...

maximum and minimum problems when function unknown

Hi, can anyone please help me with this problem, i have no idea what to do! The question is: a window frame is in the shape of a semicircle joined to a rectangle. Find the macimum area of a window using 300 cm of framework. i can usually solve these sorts of questions when i'm...

Physics

i have just started physics, can someone please show me step by step how to do this: The radius of Earth is 6 370 000 m. Express this measurement in km in scientific notation with the correct number of significant digits. thank you for your help

Computers

Which of the following experiences is considered a simulation? A. reading a chapter about dissecting a frog with bright pictures and graphs B. listening to a narrator about dissecting a frog in vivid detail C. using a computer program to dissect a frog*** D. watching a video ...

Social Studies

Hi,My social studies test is coming and the review asks about the counter reformation in the age of exploration. But my Scott Foresman text doesn't say anything about the counter reformation. Where can I find out about it?

AP Physics

A small block with mass 0.035 kg slides in a vertical circle of radius 0.425 m on the inside of a circular track. During one of the revolutions of the block, when the block is at the bottom of its path, point A, the magnitude of the normal force exerted on the block by the ...

com215

How will you apply the knowledge you have learned about effective business communication and cultural diversity to your current/future job and college courses? Edna. This question is designed to make you think about yourself. We will be happy to critique your thinking. This ...

math

Business and finance. Lunch meat sells for about $3 per pound. You use about 1/2 pound per day for sandwiches. How much should you budget for lunch meat over the next month (about 20 workdays)? =$30.00?

Math

A greyhound can run as fast as 39.35mph per hour without calculating,would about 12,14 ,or 16 be reasonable answer for the number of miles a greyhound could run at this rate in 0.4 hour. My answer is about 16 because 60 min.divided by 0.4 is about 15. Am I Corry .THANKS

AED

Post your response to the following: The introduction of calculators and computers into the mathematics classroom has made it faster and easier for students to complete difficult problems. Technology should not, however, replace the students’ understanding of basic ...

CALC - area under a curve

You have an unknown function that is monotone increasing for 1<x<5 and have the following information about the function values. With the clear understanding that there is no way to get an exact integral, how would you try and approximate the area under the curve? X=(1, ...

Science Question

ok i will copy and paste the question here! thnx Using the internet or books, write a summary about 2 ways the surface of the roads have been made safer for car passengers. but the hard bit is i have to write down a rerence of the internet pages i use to get my ansewrs, ok ...

English

Grammar Correction, Please? Shakespeare in Love 1) What are the main themes of the film? The filmmaker’s message is not clear until we see what happens to the protagonist. The Main themes of the film are love, overcoming obstacles and doing what you believe is the right ...

Math: Calculus

Can someone help me out here with these two problem? I have know idea where to start. 1)The equation: 10(x-1)(x-2)(x-3)=1, has three real solutions a<b<c where a=____, b=___ , and c=___. Enter your answers with at least six correct digits beyond the decimal point. Hint: ...

Drama

Can you read this and give me some idea about how I should block the scene because I have to perform it. Hi, I'm William Shakespeare. I had disappeared from the records for seven years. Many rumors flew around, including that I liked to poach. They say I had to leave Stratford...

physics

About the years 214-212 BC, the Greek philosopher and scientist Aρχιμηδηζ is said to have repelled a Roman attack with a "death-ray" concave mirror, using sunlight to set the approaching fleet on fire. Assume an early morning attack from...

Ap Chemistry

I have no idea where to start with this problem: A certain reaction has the following general form: aA -> bB At a particular temperature and (A)o = 2.00(10^-2)M, concentration versus time data were collected for this reaction, and a plot of In(A) versus time resulted in a ...

AP Chemistry

I have no idea where to start with this problem: A certain reaction has the following general form: aA -> bB At a particular temperature and (A)o = 2.00(10^-2)M, concentration versus time data were collected for this reaction, and a plot of In(A) versus time resulted in a ...

math

A cow is tethered by a piece of rope 50 meters long to the side of a rectangular barn. The rope is fastened to a hook (on the barn) that is located 20 meters from the corner along the longest side of the barn which measures 70 meters by 20 meters. Over how much ground (outside...

Physics - Torque

A particle is acted on by two torques about the origin: T1 has a magnitude of 4.3 N*m and is directed in the positive direction of the x axis, and T2 has a magnitude of 3.2 N*m and is directed in the negative direction of the y axis. What are the magnitude [in N*m] and ...

Etymology

So I posted like 3-4 weeks ago that I was doing a project about fascinating etymology stories and I got a few great websites:) I only could find a few really funny and interesting stories that my classmates would actually enjoy/ want to listen to. I have been to fun-with-words...

Math

So I already made a scatter plot for this data and talked about trends and negative or positive correlations but I have no clue what this question is asking This is about average gas prices from 2005-2015 2005 - $2.27 2006 - $2.57 2007 - $2.80 2008 - $3.25 2009 - $2.35 2010...

ethics

Write a 200-300 word summary that answers the following questions: what information about race and ethnicity in the united states has helped you better understand or relate to specific minority groups?, Have you learned something new about your own cutural history?, trends in ...

math

Okay. So i'm doing this project for my geometry class about different sports, soccer, baseball, basketball, bowling, golf, volleyball and pool. I have to find the surface area, volume, diameter, circumference, and radius of each of the balls. I got a circumference for each one...

molal (again)

i tried to solve it on my own but im confused about the last part, this i what i have so far.. moles of glycerin= 50.0/92.10=0.54 molality=0.54/0.200=2.7 is that right? im a little confused about the numbers im supposed to use for step 3... this was the question: the freezing ...

Physics Urgent!!!!!

OK, I know, I'm postin this way too many times but I'm halfway there now.... Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be ...

Physics Urgent!!!!!

OK, I know, I'm postin this way too many times but I'm halfway there now.... Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be ...

Computer Questions

I posted some computer questions and my answers on Saturday. They should be on somewhere between pages 2 through 10. would you please check my answers for me? There are about 16 questions and answers. Thank you!! It will say "computer questions" Thank you. Yup. I got it :) But...

physics

During a transatlantic flight, you drink a bottle of water and tightly close its lid again. Back on the ground during taxiing to the terminal, you notice that the thin plastic bottle is crushed, and you eyeball it to be only about 70 percent of its original volume (the photo ...

Physics

Not sure where to go with this problem, any help is appreciated! A bike is turned upside down for repairs. The front wheel can be described as a hoop with radius R=0.6 m and mass M=1.0 kg and a small point mass m=0.005 kg attached to the perimeter to represent the valve for ...

Physics

Not sure where to go with this problem, any help is appreciated! A bike is turned upside down for repairs. The front wheel can be described as a hoop with radius R=0.6 m and mass M=1.0 kg and a small point mass m=0.005 kg attached to the perimeter to represent the valve for ...

physics

The 17.9 cm diameter disk rotates on an axle through its center. F1=22.1 N, F2=32.4 N, F3=32.4 N, F4=22.1 N, and d=4.74 cm. What is the net torque about the axle?

physics

The 17.9 cm diameter disk rotates on an axle through its center. F1=22.1 N, F2=32.4 N, F3=32.4 N, F4=22.1 N, and d=4.74 cm. What is the net torque about the axle?

physics

The brightest light detected from the star Antares has a wavelength of about 103 nm. What is the frequency of this light?

physics

for an object in equillibrium the net torque acting on it vanishes only if each torque is calculated about?

English

1. Watching a variety of shows might expose us to things we might otherwise never come across in our own lives. (What is the meaning of 'come across' here? Some other similar expressions, please?) 2. We can bond over shared views by watching some TV shows together. (Is this ...

physics

A car has an acceleration of 2 m/s2, what does this tell you about the volocity of the car .

biology

30. Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in temperature can significantly lower the reaction rate. What does this suggest about the importance of temperature-regulating mechanisms in ...

FRENCH... yeah....

I have homework on the song, je realise by sinik, and it asks me what do i feel when i listen to this, and i only have 2 feelings, and i need 2 more... also it says why do u feel these feelings. go to h t t p : / / y o u t u b e . c o m / w a t c h ? v = 9 t E A 5 5 w Z Y x E ...

Ethics Applied

I have to watch a movie of my choice and then write a paper consisting of 4-5 paragraphs about 2 characters and a major moral issue they each face and then identify the moral approach (egoism, religious ethics, and contractarianism) each uses to resolve the issue. I need help ...

English - Native speakers

Ok one more thing about quantifiers :D Can you help me and tell me which of the following sentences are correct in both ways: 1.I have no/I don't have any time - is both possible? 2.He works a lot/much 3.There are too much or to many people? I think 1 and 2 can go both way and...

food technology

i am doing a project about italian food i need to make a booklet about the different food and different facts about the food. thanks for your help

Physics

Hi! I need some help with some physics questions. 1. When two point charges are moved farther apart, what is true about their resulting electric and gravitational forces? a. both forces stay the same b. gravitational force stays the same but electric force increases c. ...

Help with physics!

Hi! I need some help with some physics questions. 1. When two point charges are moved farther apart, what is true about their resulting electric and gravitational forces? a. both forces stay the same b. gravitational force stays the same but electric force increases c. ...

health

All of the following are true of alcoholism EXCEPT: - those who abuse alcohol are twice as likely to die of cancer - Much of the research suggests that genetics plays very little role in the disease - Males are three times more likely to abuse alcohol than females - More than ...

cultural diversity

I need some help. I have to pick a subordinate group and write a journal entry. I have to describe as if i were a member of that group, tell where the group originated from and so on. I chose to write about African Americans. I have found most of the information that I need. I...

English

How would you apply the knowledge you have about effective business communication and cultural diversity to your current/future job and college courses?

how come

it takes forever to get a reply from a teacher? i asked a question about science 12 hours ago, yet no one has helped me. do you have any suggestions of where else i could go for help?

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