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

163,123 results, page 44

CALCULUS

A 25 ft ladder is leaning against a vertical wall. At what rate (with respect to time) is the angle theta between the ground and the ladder changing, if the top of the ladder is sliding down the wall at the rate of r inches per second, at the moment that the top of the ladder ...

Trigonometry

(Triangle ABC is scalene) AC is a straight shore line and B is a boat out at sea. Angle A is 60 degrees and Angle C is 45 degrees. Find the shortest distance from the boat to the shore if A and C are 5km apart...I honestly have no idea where to start with this. I drew it out, ...

Science

What is true about X-rays and microwaves? (1 point) a. X-rays have greater speed than microwaves. b. X-rays have greater amplitude than microwaves. c. X-rays have greater frequency than microwaves. d. X-rays have greater wavelength than microwaves.

Chemistry

If barium nitrate solution is added to sodium hydroxide solution does a precipitate form? Are there exceptions? I have an assignment Q that asks about the precipitate, and I thought that Ba(OH)2 was soluble. Barium hydroxide is moderately soluble, up to about .1M ...

Geometry. Please help.

1. The complement of an angle is 10 degrees less than the angle itself. Find the angle and it's complement. Find the perimeter and area of the following figures with the vertices given: a) A (3, 5) B (3, 1) C (0, 1) b) Q (-3, 2) R (1, 2) S (1, -4) T (-3,-4) c) G (-4, 1) H (4,1...

history

Mr. Hunt lived in Ohio in 1843. He was concerned about the amount of federal debt. What would have been Mr. Hunt's view of Texas Joining the United States. He would have supported it due to likely growing the U.S. economy. He would have opposed it due to Texas' amount of debt...

slope of a graph (physics/math)

what would the maximum slope possible for a v vs t graph of acar released from rest on an air track elevated at one end? ~I know the track would be elevated to be straight up since it would have the most angle...but what would the slope value be? would it be 0 slope? I'm not ...

Math

An object is heated to 90 degrees Celcius and is then allowed to cool in a room whose air temperature is 25 degrees celcius. If the temperature of the object is 75 degrees celcius after 10 minutes, when will its temperature be 50 degrees celcius? I have no idea how to do this...

Math

An object is heated to 90 degrees Celcius and is then allowed to cool in a room whose air temperature is 25 degrees celcius. If the temperature of the object is 75 degrees celcius after 10 minutes, when will its temperature be 50 degrees celcius? I have no idea how to do this...

math

Find the rate of change between the two points (4, 36) and (8,108) and give the unit of measure. x is measured in square yards. y is measured in dollars. I know how to find the rate of change but I have no idea what they mean by "unit of measure." How do you find that?

Language

Grandma sands says it's quiet down where they are, but we think it's time Byron got an idea of the kind of place the world can be, and be maybe spending some time down south will help open his eyes. What can the reader most likely conclude about dad,s point of view? A. He is ...

Health

I chose 5 points as you suggested to me. Thank you very much, Writeacher. 1) The difference about advertising today is that….. 2) Children cannot oppose their appearance in ads. Children want to buy everything they see (not all they see?) on TV or listened to on the radio. ...

English

In 25-50 words, describe what a thesis statement does. Once you have narrowed the topic of your essay, it is important to state your topic clearly in one sentence. Like the topic sentence in the paragraph, the thesis statement introduces what the essay is about and arouses the...

english

. Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. a. I must have been completely absorbed in my work, because I totally forgot about the meeting. b. Because I became completely ...

Eng095

Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. A. I must have been completely absorbed in my work, because I totally forgot about the meeting. B. Because I became completely ...

english

Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. a. I must have been completely absorbed in my work, because I totally forgot about the meeting. b. Because I became completely ...

Science questions

A few questions I have about darwin and evolution/fossils. Thx!! Why did Darwin call species like the coelacanth living fossils? On a branching tree diagram, where would the coelacanths be placed? What can animals... no species like the coelacanth tell people about the past? ...

Essay Evaluation (Writeacher)

What do you think about what I have written as an introduction? Dpes it require improvisation or revision? What do you suggest? What I have been assigned to write: "In Amy's Tan's "Rules of the Game," we read about generational tug of war. Write an essay in which you discuss ...

math

It was once said that Country-Western songs emphasize three basic themes: love, prison, and trucks. A survey of the local Country- Western radio station produced the following data: 12 songs about a truck driver who is in love while in prison 13 about a prisoner in love 28 ...

Physics

Can someone please give me some insight on how to work this problem? A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 85 kg. A person pushes on the outer edge of one pane with a force of F = 63 N that is directed ...

English

1. How about wearing something bright? 2. How about wearing bright color? 3. How about wearing brignt colors? 4. How about wearing a bright-color shirt? (Are they all grammatical? What other expressions can we use?)

history

Excerpt from Douglas’s speech: "I believe that the Union can only be preserved by maintaining inviolate the Constitution of the United States as our fathers have made it. That Constitution guarantees to the people of every State the right to have slavery or not have it…...

Trigonometry

Establish the identity: (1 - cos^2 0)(1 + cot^2 0) = 1 No idea!

English

I need to how to unscramble: nutxee No Idea what it is PLEASE HELP!

English

Does anyone hae an idea of where I could look for the moral of this fable

CACULUS

If the function f(x) is differentiable and f(x)= {ax^3 + 6x, if x≤1 {bx^2 + 4, if x>1 then a = What do I do?? No idea what's going on..

English

I need a idea for a propaganda poster? It can be anything

Math

solve for the indicated letter. z=11-y, for y the solution is y= No idea

math

Find the difference by using the idea that a - b = a + (b): a. -12 - (-6) b. - 7 - 4 c. 11 - (-8) Thank you, I do not understand.

grammar

Concentration does not mean think one idea.

another law question

where did the idea of 'circle sentencing' come from?

Math

Why is estimating before you subtract a good idea?

History

How Has Roosevelt Idea's Affected The Future Of America ?

english

How do I re word a sentence that is the main idea in a paragraph

English 3

How can a reader find the main idea of a passage

English

What does it mean by "What is the supporting idea in this part of the speech?"

English

What could the main idea of Through The Tunnel be, in a sentence?

POL 201

The idea of original intent claims that

Psychology help

What's a good theme that goes with the idea of encouragement?

acting

Hi i was wonder how to become in actor any idea ? will be helpful

Art

When an idea is presented in a way that is original, it is considered to be

life orientation

What is viable business idea what does it mean?

Government

What laws could be created by the idea of artistic expression?

social studies

what idea does pan-Africanism refer to

history

From where did early North Americans migrate and how did they reach North America? Describe the lifestyles of early North American men and women. Im not sure which way to answer this one. I have two answers. The first was coming from Asia and crossing the land bridge at the ...

MATH

Two cell phone companies have different rate plans. Runfast has monthly charges $25 plus $10 per gig of data. B A &D’s monthly charge is $18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. Okay I am trying to ...

English

Hey, Yesterday I asked a question about "the" and Writeacher helped me a lot. But now I have a further question. I have a rule in my grammar book, which says, that Nationalities with the suffix -ese. -ch, -sh, -ss; goes with the. And wirteacher says that I can Also says "The ...

Social Studies/English

My social studies class is discussing the energy issues in the world today. I have to write an essay about an energy issue and include the two opposing sides viewpoints. The issue I would like to write about is the United States dependence on foreign oils. Can anyone help me ...

Confidentiality of 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...

Finance

Your parents are retired and have expressed concern about the really low interest rates they’re earning on their savings. They’ve been approached by an advisor who says he has a “sure-fire” way to get them higher returns. What would you tell your parents about the low-...

EMT-Basic

You are called to the scene of a 25-year-old female who is unconscious. Her husband suspects she may have overdosed on an unknown drug. He is visibly upset and may have been crying. How should you handle the husband upon arrival? A. Ask him to step out of the room so you can ...

Science

Certain seismic waves travel as.. A) electromagnetic and transverse waves. B) visible light and longitudinal waves. C) longitudinal and transverse waves. D) compression and visible light waves. I have no idea I never learned this:(

HELP!

How many times do I have to tell you the answer is d. Goodness. http://www.jiskha.com/display.cgi?id=1168934037 all you had to do was add two numbers given, and double it, and put the neg sign in front. I have no idea what the answer to this problem is, I'm given choices but I...

Physics

A Football player on team a is movin gat a velocity of 8ms at an angle of 49 below the x axis. He collides with a player on team B, The Player B is moving at 7.5ms at an angle of 41 below the X and has a mass of 110KG after the collision both players remain in contact and move...

food - dt

hi i need to find info about italian food i have found some from the websites people have kindly found before but i am having trouble finding italian pizza recipes traditional to italy . thanks !

maths

in 1992, a software company had a profit of $30,000,000. in 1998, the company had a profit of $210,000,000. find the average rate of change of the company's proft in dollars per year. I have no idea how to this. please explain step-by-step.. thnxx

matrix, linear transformations

Morning, Bit confused: I have been given the following: g(x,y)=(4x,6y) h(x,y)=(x+2y,y) k(x,y)=(y,x) and ive got the following matrix for each of them: g={{4,0},{0,6}} h={{1,2},{0,1}} k={{0,1},{1,0}} So ive been asked to prove the linear transformation f=k.h.g has the matrix: A...

Physics

A 10N meterstick is suspended by two sping scales, one at the .08 m mark and the other at the .9 m mark. If a weight of 5N is hung at the .2 m mark and a weight of 17N is hung at the .55 m mark, what will be the reading on each scale? I have: F(_1)+F(_2)=5+10+17=32 With moment...

Essay Ideas

I can't think of any that would work. It needs to be 800 words and "Explaining a Concept." It can't be a how-to, and it also can't be a general topic. I thought about talking about catering (I did it for a year) - but what would I write about it? Any other suggestions for topics?

hydrocarbons

hi I am learning about Hydrocarbons, and naming them is there any steps I shoul follow when naming them becuase I honeslty don't understand! thanks for your help!!!1 First of all you should know that rules govern the IUPAC system. I would learn that system since everyone is ...

General Physics I

A 50-N force acts on a 2-kg crate that starts from rest. When the force has been acting for 2 s the rate at which it is doing work is: I found this question online so I saw the answer is 2500 Watts. What I don't understand is how to come to this conclusion. Power = Work/time. ...

Rate determining step

I don't understand how to get a rate determining step. I have an energy diagram for a two-step conversion where the first step Ea is about 18 units. The energy then goes down about 4 units and rises again about 10 units to the peak of the second step. Why is the rate-...

english

(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade science, I have some experience with the faces and attitudes of ...

Dr. Bob, help please

does the density of an element have anything to do with the number of elections? i have to work with a partner and his reasoning is this: "the higher the atomic number, the greater the density because the atomic number is made up of protons so the more protons there are, the ...

chem class

which of the following has the highest boiling point? a)C2Cl6 b)C2Br6 c)C2H6 d)C2F6 e)C2I6 i know its e, but why is that the answer? are all questions about boiling points similar? or they they have to do with intermolecular forces? i have a test soon on boiling point problems...

PreCalculus

Rebecca and Tom Payton have decided to buy a home that costs $200,000. The Paytons can put down 20% of the home's price. They have applied for a 15-year, 9% FRM to finance the balance. They Paytons have a combined gross annual income of $70,000. Answer the following questions ...

social studies

anybody have a website about native american spears

rr

What insights or reactions do you have concerning what you now know about the field of business?

Gym

Does anybody know anything about Tim Tebow? I have to write an essay on him.

HELP

I have a post about floo rhockey downbelow and I am in need of severe help:(

Science

Can I have as much information about seals as possible please?

Science

What concerns you have about the overall safety of the food you eat?

saftet

I have 5 words theres 25 letters. About saftey. Etadprlbaselsspsfnniltria

science

I have an essay about landforms on Friday what are some ideas?

History

What impact did learning about classical science have on chirstinaity

english

In this unit you have read writings by three people who lived at a time when the idea of human equality was widely discussed but who nevertheless experienced enslavement or belonged to families who experienced enslavement: Benjamin Banneker, Olaudah Equiano, and Phillis ...

Physics

what is the general relationship between the density of solids and the density of liquids? Are you talking about the density of substance X in the solid state vs the density of the same substance in the liquid state. GENERALLY, solids have a higher density than the ...

English 9-Please recheck answer and provide some d

I have a question about the short story "Son" by John Updike. I have research this and read it but find it very confusing-I have two answers totally eliminated and would just like some input-Thank you so much Is "Son told in a.order from the contemporary father and his ...

ICT

I need to write an essay to explain 'why companies use logos'. Help me. Companies' logos help sell their products. Long before they can read, small children recognize the McDonald's big M and know that it means hamburgers and treats. Think about other logos you know and think ...

english

what is the topic sentence in each paragraph? 1. Alice Doe’s article discussed overlooked tax deductions. It talked about some of the most commonly missed deductions. Whereas her use of statistics seemed to bolster her arguments, it would have been nice to see her elaborate ...

English

I have to write a critical essay on Hamlet and I can't find a good topic to write about. I need something that will be easy because I am not good in writing essays that are more elaborate. Can somebody suggest a good topic that will be easy to write about in approximately 700 ...

English/Creative Writing

Will you help me? I don't know how I am supposed formulate my answers. A story's beginning should interest the reader and draw him or her into action. What would be some effective ways to start the following stories? 1. A first-person narrative about your greatest ...

Math

What would the capacity of an eye dropper be measured as? mL, L, kL? 4km=?m 60cm=?m 5L=?cL 102mL=?L 1895g=?kg 2.3kg=?g My Guesses: I have no idea what an eye dropper is, but my guess is L. 4km=.004m 60cm=.6m 5L=.05cL 102mL=.102L 1895g=1.895kg 2.3kg=2300g An eyedropper is a ...

physics

From what height would a compact car have to be dropped to have the same kinetic energy that it has when being driven at 100 km/h?

Physics

How close would the masses 0.545 kg and 0.109 kg have to be in order for the gravitational force between them to have a magnitude of 1.03 N? Please Help!

English

He is not my age. He is the same age as me. He is the same age as I. We are of an age. We are of the same age. He and I are of an age. He and I are of the same age. He is as old as I. (Are they all the same? Do I have to use 'I' or 'me'?) 1. What gread are you in? I'm in the ...

Global Issues

Hi, I have an essay that I have to write for this class and the topics is: The richer states (countries) have the responsibility to provide for the world's poorer states. And I am on the pro side of this. (Just because I thought it'd be easier to write more about the pros than...

computer

this isnt really a school question but i have a question about the sun java...it wouldnt load any of my games using it but whenever i deleted it and using the regular java...its working fine...it doesnt make any sense...please i hope someone can explain this to me...i don't ...

business ethics

Andrew Malone, director of Human Resources at FBS Incorporated, wants to conduct a training program to educate employees about retirement plans. He feels that if employees are not informed about the various options, they may have very little income on retirement. His decision ...

ANY IDEAS

The project i have to do is for art. Well basically i need to think of a yellow page advertisement design. As with all advertising, the ads must be clearly present all important information about the business. they must have: the name company the type of service or product

English

My new friends are all great. 1. How do you like them? 2. What do you think about them? 3. How do you feel about them? 4. What do you think of them? 5. How do you feel of them? 6. How do you think about them? (What is not correct and not the same as #1? I think #6 is incorrect...

To Ayone who knows about NAPOLEON

Even after the congress of Vienna, many people in Europe would have welcomed Napoleon back. Explain why you think this would be so. Was the congress a complete success? What advice would you have given a delegate to the Congress if you were a ruler? An aristocrat? An ordinary ...

English

In both Hamlet and Oedipus Rex some of the most significant events are mental or psychological; for instance, awakenings, discoveries, or changes in consciousness. Choose either Hamlet or Oedipus Rex, and in a well-developed essay, analyze the uses the author makes of these ...

English

May I take your order? - Yes, please. I'll have a ham sandwich and an orange juice. - Is that all? - Yes. How much is it all together? =============================== Q1: In the short dialogue, will you look at the last sentence? What about the following sentence? Can we use #...

French

I am writing a journal in the subjonctif which is fine. except i have NO idea how to write it in the passe compose. For example, i wanted to write It is clear that she had the attention of the class..but i cannot figure out how to write in the the past (only present : il est ...

science grade 8

Please, help. I need to create a comic that illustrates and explains what life would be like without 2 organ systems: muscular and digestive. I have an idea for digestive (you can live without gallbladder). I need to explain what is happening inside and outside the body, and ...

Math- steve? reiny?

1. Let f(x)=x^5 + 2x^3 + x - 1 Find f^-1(3) and (f^-1)'(3)? I have zero idea how to find the inverse of this function at a point 3, and how to take derivative of an inverse. 2.Let f(x)=cosx + 3x Show that f(x) is a differentiable inverse and find f^-1(1) and (f^-1)'(1). ...

Science (optics)

Please help me!!!! A swimmer looks up from underwater in a pool and sees a tree. The light traveling in the air makes an ancle of 40 degrees, with the surface of the water. Calculate the anglethe light ray makes with the surface of the water ( n= 1.33) while traveling in the ...

English

1. It's about a funny monster and a funnier princess, falling in love to/with each other. (Which preposition do we have to use, 'with' or' to'? Are both OK?) 2. It's about a funny monster and a funnier princess, and they fall in love with each other. (Does #1 mean #2? How ...

college courses

Good Morning All! so yesterday i posted something about college that i wanted to know. well, i'm at Georgia State right now. i said i wanted to do something in the designing field. i think that's fine because they have a college of art over here at State. can i please get some...

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