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

166,136 results, page 44

1. ### 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 ...
2. ### 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.
3. ### 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...
4. ### 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 ...
5. ### 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
6. ### 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. ...
7. ### 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 ...
8. ### 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...
9. ### 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 ...
10. ### 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 ...
11. ### 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 ...
12. ### 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
13. ### 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 ...
14. ### 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 ...
15. ### 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 ...
16. ### 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
17. ### 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.
18. ### 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.
19. ### 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?
20. ### 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?
21. ### 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...
22. ### 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 ...
23. ### 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 ...
24. ### reading

Which of the following statements is true based on the data below about elite printings customers purchases? a. The customers who have stationary printed at elite’s printings spent the most money. b. The customers who have brochures printed at elite’s printings are most ...
25. ### 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 ...
26. ### 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 ...
27. ### reading

Which of the following statements is true based on the data below about elite printings customers purchases? a. The customers who have stationary printed at elite’s printings spent the most money. b. The customers who have brochures printed at elite’s printings are most ...
28. ### 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 ...
29. ### 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 ...
30. ### 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....
31. ### Algebra 1

The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 2 hours to drive the distance at 67 miles per hour, how long will it take to drive the same distance at 55 miles per hour? about 1.64 hours about 134.00 hours about 2.45 hours*** ...
32. ### SS

What is the goal of the North American Free Trade Agreement (NAFTA)? Increase the cost of free trade Encourage trade and economic growth between Canada, the United States, and Mexico. Increase tariffs on exported goods Increase tariffs on imported goods My answer: I have ...
33. ### 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...
34. ### 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 ...
35. ### 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 ...
36. ### 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 ...
37. ### 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-...
38. ### 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 ...
39. ### 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...
40. ### 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!
41. ### 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 !!
42. ### 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 ...
43. ### 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...
44. ### Speech

I can't think of a good topic for an informative speech. I've tried a few different ideas but they were too boring. I want something entertaining so I will be more comfortable about speaking and have fun with it. It needs to be something I can research and have a visual aid (...
45. ### 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.
46. ### 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...
47. ### 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 ...
48. ### world history

Was there any course of action that Abraham Lincoln and his administration could have persued that might have prevented the outbreak of war between the North and the Confederacy ? need answer in detail both about the evidence and conclusion...need the answer in order to write ...
49. ### Physics help

A ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the angle between the ladder and the horizontal is α. The coefficient of static friction between the ladder and the wall and between the ladder and the ground is μstatic = 0.65. ...
50. ### physics

During a throw an athlete exerts a net average torque of 100 Nm on a discus about its axis of spin. The mass of the discus is 2 kg and its radius of gyration about its spin axis is 12 cm. If the discus was not spinning at the beginning of the throw and the throwing action ...
51. ### Physics

0.255 kg catcher is attached by a 45.0 cm long massless cable to a frictionless axle. The catcher is initially at rest. A 0.144 kg ball with a radius of 0.0875 m rolls without slipping from a height of 1.25 m and is captured by the catcher. For a solid ball, I = (2/5)MR2. (a) ...
52. ### Literature

I'm currently reading 'The Haunting of Hill House' by Shirley Jackson (and enjoying it very much). However, I am confused by a certain passage. Could anyone who has read the book explain it to me? It's near the end... "Are you two talking about me"?she [Eleanor] asked over her...
53. ### Physics

How Many Capillaries? The aorta has an inside diameter of approximately 2.1 cm, compared to that of a capillary, which is about 1.0×10−5m (10 μm). In addition, the average speed of flow is approximately 1.0 m/s in the aorta and 1.0 cm/s in a capillary Assuming that...
54. ### Physics Please Help Today Part 2

Here's a pic C:\Documents and Settings\Owner\My Documents\My Pictures\physicspic.jpg 0.0100kg particles have been glued to a rod of Length L=6.00cm and negligible mass and can rotate around a perpendicular axis through point O at one end. How much work is required to change ...
55. ### plagiarism am i correct? plz help

answer True or False to the following statements. It is plagiarism if 1. only one or two words in a sentence found in a textbook are changed without using quotation marks. (false) 2. it is my own original idea. (true) 3. information is used directly from a journal article or ...
56. ### Physics

Determine the work done by a person when lowering an object of mass 2.6 kg by a distance of 2.4 m. The person applies a force Fext such that the object moves with constant speed, i.e., without acceleration? My ans: W=F*d F = ma But it's saying constant speed so a=0 However, I ...
57. ### algebra

The United States Department of Agriculture reported in Vegetables and Melons Outlook in 2007 that the average America consumes about 7.4 x 10^3 potato chips in a year. Since Idaho had about 1.5 x 10^6 people in 2007, how many potato chips would Idaho residents have consumed ...
58. ### physics!

Late one night on a highway, a car speeds by you and fades into the distance. Under these conditions the pupils of your eyes have diameters of about 7.0 mm. The taillights of this car are separated by a distance of 1.2 m and emit red light (wavelength = 669 nm in vacuum). How ...
59. ### music -year 8

i`m doing a school project in music about buddy holly. i need info about when he died and how, all about his music , if he was married had any children . thanks so much to everyone who helps!
60. ### Research paper

Hello, would anyone help me out i have to do a research paper conducting a compare and contrast of two religions. Can anyone be kind enough to give me an outline set up for this kind of paper. I have the information on both relgions but I don't know how to do the set up what i...
61. ### INTRODUCTORY ALGEBRA

FOR HOMEWORK I HAVE TO DO A NUMBER TRICK BY PICKING A NUMBER ADD 5 DOUBLE THE RESULT SUBTRACT 4 THEN DIVIDE THE RESULT BY 2 AND THE RESULT SHOULD BE THREE.THEN I HAVE TO EPLAIN WHY THE RESULT IS ALWAYS 3. I DON'T GET IT CAN YOU PLEASE HELP. IM ABOUT TO CRY.
62. ### 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 #1: A skier with a mass of 60.0 kg is standing at the top of a snow covered ...
63. ### Algebra I

The sum of three numbers is 147. The second number is 4 more than two times the first number. The third number is five less than three times the first number. Find the three numbers. Can you please solve it? I have no idea how to do this. Thanks a lot for any help!
64. ### English

1.I'm worried about my looks. I want to become more handsome. What should I do? - Why don¡¯t use organic cosmetics on your face? - Why don¡¯t put organic cosmetics on your face? - Why don¡¯t you wash your face more often? - Why don¡¯t you have double eyelid surgery? - ...
65. ### Physics

Suppose the observed motion of a moving airplane, illustrated by a distance vs. time graph, is nearly a straight line with zero distance traveled at zero time. State what this shows about the relationship between distance and time, name the type of relationship, and tell what ...
66. ### English

Hi im writing a short story, how would i format this paragraph. Can i keep it as one paragraph or should i separate the Quotation into its own pargraph? im confused... As she boarded the shuttle, she noticed two girls who looked about her age. She wondered if they went to her ...
67. ### Physics

A 6-kg bowling ball with a radius of 14 cm is spinning about a vertical axis (with its center of mass motionless) at an initial rate of 3 turns per second. Friction with the floor, however, causes the bowling ball to rotate more and more slowly until it stops after about 22s. ...
68. ### Physical Science

Sodium (Na) reacts with chlorine gas (Cl2) to form sodium chloride (NaCl) as shown in the equation 2Na+Cl2=2nacl If 4 moles of sodium react, how many moles of chlorine gas will react? I have no idea what to do.......... I need some assistance thanks
69. ### Physics - mass of a galaxy

A star at the edge of the Andromeda galaxy appears to be orbiting the center of that galaxy at the speed of about 200km/s. The star is about g*10^9AU from the center of the galaxy. Calculate a rough estimate of the mass of the Andromeda galaxy. Earth orbital radius is 1.40*10^8
70. ### chemistry

With a halogen X, a metal M forms ionic compounds MX, MX2 and MX3. The lattice energies of the compounds are -1340, -3840 and -7020 kJ/mol, respectively. The ionization energies of the metal are 360 (for M+), 1236 (M2+) and 2990 (M3+) kJ/mol and the sublimation energy is 334 ...
71. ### Algebra

Thanks for those who answered my previous question! I have just one more: x^2-625=0, what is the GCF? How is it deterimined? It does not appear to me that there is one. How would it then be factored and have the zero-product powers applied? Then, what about 120x^2-34x-21=0 (...
72. ### calculus

find the volume generated of the region bounded by the parabola y=x^2 and the line y=b when revolved (b>0): a.) about the x-axis b.) about the line y=-1 c.) about the line y=a, where a>b
73. ### English

This Question is in accordance to the book "The Scarlet Letter" Is Arthur Dimmesdale a remarkably strong character to have carried his burden of guilt for so many years? Or was he weak for not having the courage to confess? Given what we know about him, would he have been able...
74. ### 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.
75. ### Statistics

Case - Can This Survey Be Saved? "What's troubling me is that you can't just pick a new random sample just because somebody didn't like the results of the first survey. Please tell me more about what's been done." Your voice is clear and steady, trying to discover what ...
76. ### Statistics

From: Siegel, A.F. (1997). Practical Business Statistics, 3rd Edition. Irwin/McGrawHill. Case - Can This Survey Be Saved? "What's troubling me is that you can't just pick a new random sample just because somebody didn't like the results of the first survey. Please tell me more...
77. ### Grammar

Which of the following sentences displays an INCORRECT use of interjections? A.No, I have not told Laura about the surprise! B.Great! I will make a reservation for the restaurant right away. C.Well, now that I think about it, maybe we should choose another date for the dinner...
78. ### 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 ...
79. ### Chemistry

What would be the concentration of dinitrogen pentoxide after 6.00 X 10(2) seconds and how long would it take for the concentration of N2O2 to decrease to 10.0% of its initial value in the following equation... N2O5 to NO2 and O2 initial concentration is 1.65 X 10-2mol/L rate ...
80. ### Teachers Aide/Early Childhood Education and After-

11. The most common early childhood program in the United States is A. the eclectic model. C. DISTAR. B. the Montessori model. D. the Froebelian model. I have no idea. There is really only a few sentences that would lead me to believe that the Froebelian model would be the ...
81. ### 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 ...
82. ### 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, ...
83. ### 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 ...
84. ### 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...
85. ### 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...
86. ### 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...
87. ### 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...
88. ### 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?
89. ### 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 ...
90. ### 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...
91. ### 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 ...
92. ### 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 ...
93. ### 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 ...
94. ### 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? ...
95. ### 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 ...
96. ### 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 ...
97. ### 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. ...
98. ### 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…...
99. ### 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 ...
100. ### 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 ...