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

164,938 results, page 96

  1. english PLEASE HEP

    Connect each pair of senences by including a traditional word or phrase and any necessary punctuation. Sentences: 1.Discoveries in neuroscience have yielded many benefit.Researchers have developed medication for schizophrenia and Tourette's syndrome. 2. The average human brain...
  2. English

    Were all the alternatives possible? Can you please tell me if everthing was OK? Thank you for your invaluable help. 1) In the summer I go on boat trips with my mum to see the whales and the dolphins. I keep a diary in which I include information about them. 2)I hope I'll be ...
  3. english

    benign,blase,comprise,condescend,facade,glib,haughty,libel,pseudonym and redundant. When a famous actress arrived in town to work on a movie, an editor asked me to interview her. Because this was my first interview assignment, I felt far from_______(glib) about it. Instead, I ...
  4. Physics

    Find the instantaneous velocity of a mass on a spring oscillating on a horizontal frictionless surface at the instant when its displacement is half of its maximum displacement x=(x_max/2). Assume the max velocity of that mass during each oscillation is v_max= 2m/s. I know that...
  5. physics

    A spoked wheel with a radius of 44.0 cm and a mass of 1.90 kg is mounted horizontally on frictionless bearings. JiaJun puts his 0.550-kg guinea pig on the outer edge of the wheel. The guinea pig begins to run along the edge of the wheel with a speed of 18.0 cm/s with respect ...
  6. 11th grade [URGENT]

    Help with my research essay!? I have this assignment I have to do and its a research essay. I was wondering if this was a good topic (not too broad or not too specific) for my essay: Behind fast food, or like does fast food take effect on obesity? I've chosen to do something ...

    Cash conversion cycle American Products is concerned about managing cash efficiently. On the average, inventories have an age of 90 days, and accounts receivable are collected in 60 days. Accounts payable are paid approximately 30 days after they arise. The firm has annual ...
  8. science

    hello i need help Problem How could renewable energy sources be used in a house? Devise a Plan 1. Consider what you learned about renewable energy sources. Use what you learned to design a house that operates entirely on renewable energy sources. Focus on three major needs: (1...
  9. French help ASAP!

    I need information about d'Arsene Lupin.I have to do a report about it and I have no clue what I'm doing. Does anyone know of an english site with onfo abouit this I don't really want to read french. I put your topic into and here are the results: http://www....
  10. english

    This is the 1st paragraph to my essay: Social awkwardness Ever since I can remember people have always commented on my height, this made me very uncomfortable and awkward about it around my peers. I recall a time when my mother got into an argument with a woman at an Easter ...
  11. Water Chemistry

    What is cation exchange? How is the best way to plot surface water or groundwater data to see if you have cation exchange? Can you recommend references to learn more about this? Thank you
  12. child care

    what are 10/ some questions to ask your parents about life with kids for example; I have these ones do you like life now with kids what made you want kids were you ready for kids anymore suggestions? thank you(:
  13. Math

    The owner of a bicycle factory said about 15,000 bicycles were made last month. What is the least number of bicycles that could have been made? What is the greatest number? Explain your thinking
  14. chemistry

    I have to find the theoretical yield of acetylsalicylic acid in the exeriment? I used 5.0 mL acetic anhydride which is about 5.40 grams. When I calculated the theoretical yield, I got 9.53 grams. Is this number correct?
  15. Biology

    Can someone please help me find a website? I am doing a project on Maple Syrup Urine Disease and need to find a website that says when the disease was first discovered or how long we have known about it.
  16. English

    Someone is knocking on/at the door. Inside, we say, 'Who is it?' Can't we use, 'Who are you?' Is it rude to say, 'Who are you? (Can we use both prepositions, on and at here? Are both have the same meaning? what about the next question?)
  17. History/Global Affairs

    Hi beautiful people! I'm working on an assignment talking about Australia's changing national identity in the EYES OF THE WORLD. I need to look at a particular event and or events as a way to highlight this change. The problem is that I was thinking the assignment related to ...
  18. physics

    One airplane travels due north at 300 km/h while another travels due south at 300 km/h. Select the false statement. The airplanes have the same speed The airplanes have the same velocity
  19. chemistry

    For a one step reaction, the activation energy for the forward reaction is 40.0 kJ/mol and the enthalpy of reaction is -20.0 kJ /mol. Which statement below is true? a. The activation energy of the forward reaction would be affected to a greater extent than the activation ...
  20. U.S History - Need help!!!

    Document A- It is a most unhappy question, awakening sectional feelings, and exasperating them to the highest degree. The words, civil war, and disunion, are uttered almost without emotion. –Gentlemen now have an opportunity of putting their principles into practice. If they...
  21. Calc- Derivatives

    So, I have a bunch of derivative problems for homework and the only resource I have is the textbook, since we don't have notes. I have just started and want to make sure I'm doing them correctly. Our teacher said we do not have to simplify them either, so I'm also confused if ...
  22. English

    Can you check these sentences for me please? Thank you very much. 1) He doubts about suicide (wrong) He is doubtful about /he has doubts about suicide. 2) A period of doubt follows, in which (not when?) the hero plans his revenge. 3) Every man is scared: better everyone/all of...
  23. Government

    I'm writing an essay on the Supreme Court case of Rostker vs. Goldberg(1981) I have to describe the case, talk about if I agree or diagree with the outcome and explain why or why not.I'm not very good at writing introductions but could any critique me on what I have so far for...
  24. Physics

    A thin rod, of length L and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m is attached to the other end. The rod is pulled aside through an angle and released. What is the speed of the ball at the lowest point if L = 2.20 m...
  25. English - Classics

    I've been writing a personal response on the Great Gatsby and need some specific examples of how my idea "Money does not equal happiness" or "Money corrupts" is relevant to today/today's society
  26. Math

    Find quadratic regressive equation for the following f' points; (x, f'(x)): (-4,74); (-3,39); -2,10; -1,-6; 0,-14; 1,-12; 2,0; 3,22; 4,55 It's something really complicated, and I'm later asked to find the original equation, which is a cubic function. Any idea on how I can do ...
  27. math

    Show the functions f= f(z); z=x+iy is nowhere di fferentiable f(z)=cosy -i siny how do i do this? heres my idea separate them into u(x,y) and v(x,y) then differentiate them and since the first derivative of u(x,y) and v(x,y) does not equal i can deduce that they are nowhere di...
  28. English

    Are these constructions possible in English? I know they are possible in German. 1.I'm long-, curly- and dark-haired. 2. She is a curved-eyebrowed person. 3. She is narrow-mouthed. 4. She is a thick eye-lidded girl. 5. I hardly every sulk about people (???) 6. The bus journey ...
  29. ELA

    Pablo is writing a research paper about Roald Dahl, a famous children's book author. His teacher told him to include at least one primary source in his research. Which of the following is an example of a primary source? A. an interview with Roald Dahl by a TV reporter B. an ...
  30. Planning

    Negotiation/Delay/Refusal Skills - Assignment There are many ways to say “no” to pressure from a dating partner or peer. Some of the ways to do this are listed below. For each skill, write a "pressuring statement" or one for all of them, followed by a corresponding ...
  31. Maths/Physics

    Which of these statements are true... I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A stationary object must have zero position 3)Two vehicles trvelling at the same speed at the same instant of time on the same road must have the same ...
  32. physics

    If a negative charge is initially at rest in an electric field, will it move towards a region of higher potential or lower potential? What about a positive charge? How does the potential energy of the charge change in each case?
  33. History

    In creative writing, I need to write a short historical biography by a fictional person. For example, a pioneer, or an Indian when the Pilgrims came. I have to write it from that person's point of view. I chose a soldier in General Grant's army, in April of 1863, about a month...
  34. history

    what are some questions that i can research about the civil war? i already have: 1. How many people fought in the civil war? 2. How many soldiers died during the civil war?
  35. Physics

    if it takes 726 watts of power to move a mass 36 meters in 14 seeconds, what is the mass? i really need like, step by step help please? asap. thanks, michelle . physics - bobpursley, Saturday, November 20, 2010 at 4:06pm power= work/time= mass*g*distance/time mass= power*time/...
  36. Physics

    A string with a linear density of 0.035 kg/m and a mass of 0.014 kg is clamped at both ends. Under what tension in the string will it have a fundamental frequency of 100 Hz? The correct answer is 270N but I don't know how to get there. Here are some of the equations we can use...
  37. Math

    Find the volume of the solid generated by revolving the region bounded by y=x+(x/4), the x-axis, and the lines x=1 and x=3 about the y-axis. I've drawn the graph and I understand which part is being rotated, but I'm having trouble setting up the equation. Because there is a ...

    1. Which of the following is true about the electric charges on the objects below? (A) The ball on the right has a Positive charge and the ball on the left has a negative charge.*** (B) The ball on the left has a Positive charge and the ball on the right has a negative charge...

    1. It is believed that in the Archeaneon (2.5-4 billion years ago) the sun’s radiative output was 30% less than it is today. (i) What would the temperature of the sun have been at that time? (ii) At what wavelength would the peak emission from the sun have been? (iii) ...
  40. Physics help!!!!!!

    A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.2 10-12 N. What is the gravitational potential energy of the two-particle system? a) A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.2 10...
  41. Physics

    If you have two tables and in Table 1, is using the indirect method and you have the measurements, 11.37 and 12.57 cm. In Table 2, is using the direct method which has the measurement of one item out of 100 with the measurements of 0.642, 0.741, and 0.683 cm. What is the ...
  42. physics

    A uniform disk with a mass of 27.3 kg and a radius of 0.309 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as the drawing indicates. (a) What is the net torque produced by the two forces? (b) What is the angular acceleration ...
  43. physics

    A geosynchronous satellite is one that appears to be fixed in the sky, a condition useful for telecommunications. If such a satellite orbits the earth at an altitude of 33000 km above the earth's surface, what is its centripetal acceleration? The radius of the Earth is about ...
  44. Physics

    Two trucks that look the same collide. One was originally at rest. The trucks stick together and move off at more than half the original speed of the moving truck. What can you say about the contents of the two trucks?
  45. Physics

    A uniform rod of mass 2.0 kg and length 8.4 m is free to rotate about one end (see the following figure). If the rod is released from rest at an angle of 60° with respect to the horizontal, what is the speed (in m/s) of the tip of the rod as it passes the horizontal position?
  46. Math

    Let R be the region bounded by y = ln x, x-axis, and x = 3. Answer the following. a) Write, but do not solve, an integral expression that will find the volume of the solid that results from rotating R about x = -2. b) Write, but do not solve, an integral expression that will ...
  47. Art and Humanities: Twentieth Century and Beyond

    Prepare and conduct interviews with two people about their definition of happiness, how they gained this view, and whether they feel happiness is achievable. Choose two people who vary in age and experience. Only one of the subjects can be someone you know well. This is an ...
  48. Physics(Please help)

    A person is riding a bicycle, and its wheels have an angular velocity of 26.0 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 17.6 revolutions. (a) How much time does it take for the bike ...
  49. Physics

    The drawing (which I will describe) shows a top view of a door that is free to rotate about an axis of rotation that is perpendicular to the screen. Find the net torque (magnitude and direction) produced by the forces F1 and F2 about the axis. Picture displays a yellow ...
  50. English

    I varied my original email including other information. I wonder if you could help me express the new things, in 4 and 7. Thanks a lot! 1) Thank you very much for your prompt reply. 2) Our students would really like to be involved in a student exchange programme with your ...
  51. social

    Hi I have a quiz on "The Black Death" By John Aberth, on Monday that I just found out about. I was unable to get the book and the latest I can get the book delivered by is Tuesday. Is there anyway you can give me a summary of the book and what the most important details of it ...
  52. Science

    I need help writhing an Essay about Energy! I have to includ at least 9 of these words listed below ; - heat energy - energy transfer -molecules -motion -traveled -data -centimeters -minutes -observations -colder -warmer -conduction PLLLLLLEEEEEEAAAAAAAASSSSSSEEE HELP!!! (:
  53. help with citations!

    can someone tell me how to cite a source like this: Asthma and sinusitis solutions have been recognized in the years past by the medical community [1] **But the bracketed 1 ([1]) is a superscript on community.** What is that citation called? and where can I read about it on ...
  54. medical law & ethics

    you overhear a fellow office assistant say to his friend about a patient,"He looks like he's wasting away-he probably has AIDS" the patient may have cause for __________ aginst this co worker. A breach,B slander ,C libel ,D assault. i think ans. is B
  55. Research writing

    Can someone help me paraphrase this article.? I am trying to write about how woman should be able to have to same type of jobs that men do. Or does this article even apply?? here is the link :
  56. Organic Chemistry Lab

    For the "ISOLATION OF CHLOROPHYLL AND CAROTENOID PIGMENTS FROM SPINACH" Lab we have to think about how we can correct the following if they were to occur: a.) When a two-component mixture containing 1-ocetone and 1,4-dimethylbenzene gave only one spot with an Rf value of 0.95 ...
  57. Spanish

    -I conjugated the verb cambiar for you (plural) and it is cambiais. I'm not sure about the pronounciation. Would it be cam-bye-ice? -Is Spanish like French in that if you have two vowel sounds next to each other (la assistencia) you change the first to make it more distinct?
  58. Math / Algebra 2

    Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help.
  59. physics

    Your car is stuck in a mud hole. You are alone but you have a long strong rope. having studied physics you tie the rope tautly to a telephone pole and pull on it sideways at the midpoint as shown. Find the force exerted by the rope on the car when the anle is 3.2 and you are ...
  60. science 207

    How does changing the water source's designated purpose affect the allowed pollution levels? How do you contribute to water pollution and what concerns do you have about water pollution?
  61. SS8R: National Convention: The Female Voice Essay

    I have this assignment for my Social Studies class about the National Convention. Well most of you know about the National Convention thing since you watch Republicans or Democratic. The essay is focusing on First Lady Michelle Obama and Ann Romney. They gave speeches at their...
  62. Physics

    In projectile motion the acceleration at the highest point of curved motion is___. a. 0 b. g c. undefined d. –g Which is true about an object was dropped from a 5 storey building? a. initial velocity is zero b. acceleration is equal to –g c. displacement is negative d. All...
  63. Science

    I need help on this letter. You do not have to give me full answers but if you do give me a full answer, I will use it but edit it into my own words. Now it is time to apply and share what you have learned so far about energy sources. After completing the U.S. Overview ...

    1. It is believed that in the Archeaneon (2.5-4 billion years ago) the sun’s radiative output was 30% less than it is today. (i) What would the temperature of the sun have been at that time? (ii) At what wavelength would the peak emission from the sun have been? (iii) ...
  65. government

    the job of the national security council is to a. advise the president about foreign trade b. prepare the federal budget c. supervise the civil service d. advise the president about the nation's safety a or d. but ill go with...a
  66. English

    any suggestions on this: i can't think of this word, when you read a view point of someone who isn't " ", like a person might talk about a person badly but this person just tells about a person without feelings.
  67. English

    They realize that a different religion is something to talk about, not to fight about. ---------------------- In this sentence what does 'something' mean? #1 or #2? 1. a thing that is not known or mentioned by name 2. a thing that is thought to be important or worth taking ...
  68. English

    I am writing this essay about Shirley Jackson's "The lottery" My essay is supposed to be about i think i want to talk about stoning in south africa( how long it lasted, if it still takes place, was it for punishment or for no reason) and the second body paragraph about why i ...
  69. Math

    the Akashi-Kaikyo bridge in Japan is about 1 4/9 as long as another bridge. The other bridge is about 9000 feet long. About how long is the Akashi-Kaikyo bridge?
  70. Pre-Calculus

    The logistic growth model p(t)=0.90/1+3.5e^-0.339t relates the proportion of new personal computers sold @ Best Buy that have Intel's latest coprecessor t months after it has been introduced. a) what proportion of new personal computers sold @ Best Buy will have Intel's latest...
  71. History

    6. Which of the following Civil War era presidential orders directly impacted 13th Amendment A.homestead Act B.Wilmot Proviso C.Lecompton Constitution D.Emancipation Proclamation D? 7.Why did lincoln exclude west virginia from the effects of Emancipation Proclamation? A.West ...
  72. Math

    Mica reads about 44 pages in a hour. About how many pages will she read in two and three fourths of a hour.
  73. Robert Frost

    What did Robert Frost write about in his poetry? I think he wrote about the common people of America.
  74. math

    Tyrell says $750 is about $800.Sara says $750 is about $700.who is correct?explain.
  75. math

    tyrell says $750 is about $800. sara says $750 is about $700. who is correct? Explain.
  76. Math

    If the L.A. Dodgers win about 21 games a month, about how many games would they win after three months?
  77. english

    my topic is about racial stereotyping so one of the questions is why chose the topic about stereotyping? so what shall i say.....
  78. math

    Find the coordinates of the image of the point p(4,6)under the reflection about the line x=3 followed by the reflection about the line y=x.
  79. Physics

    At planet X, there is another planet called Y about 34 million light years away. The radius of planet X is 1 * 10^9 m. How far away from the center of the planet X is the planet Y in meters?
  80. physics

    The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.0 10-15 m. The single electron in a hydrogen atom normally orbits the nucleus at a distance of 5.3 10-11 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete ...
  81. physics

    You have a box that contains 200 marbles. 99% of the marbles are green, the other 1% are white. How many green marbles would you have to remove from the box to reduce the percentage of green marbles to 98%?
  82. english

    Share your thoughts on the following statement about writing from William Strunk and E. B. White's little book The Elements of Style. Think of one or two ways the writing you have worked on and revised might be like a drawing or a piece of machinery as described here. Compare ...
  83. science/literature

    Hi. I have to pick a book by Edward Abbey to read. Then I have to write a paper that covers: -what Ed was trying to accomplish with this piece -whether or not he accomplished his goal -what you think about his goals (good, bad????) I was wondering if anyone has any good ...
  84. Creative Writing

    So, for my assignment on extending the definition of family, I will develop the definition by telling what family means to me. I am starting this essay right now, if there's any suggestions or commments that will help me please let me know. I want to take a few mintues to free...
  85. check and correct public speaking

    1. (TCO5) According to the text, non-verbal communication is: My Answer D continuous, emotional, ambiguous and both intentional and unintentional ambiguous, multi-channeled, intentional and both continuous and sporadic continuous, multifaceted, emotional and both unintentional...
  86. Calc 2 Urgent Surface Area

    Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis. We have to use the surface area formula.
  87. physics

    Many subatomic particles have the same charge as an electron (e) but much different masses. For instance, the muon has the same charge as an electron but its mass is roughly 207 times greater. Explain the changes you would have to make to the e/m tube and Helmholtz coils if ...
  88. Science

    I have to unscramble these letters to make words about electricity. I can't figure out these three. ISRESE LARLPLAE TKLATIWO series, parallel, kilowatt SERIES PARALLEL KILOWATT Thank You Thank You Thank you so much!
  89. french exam tomorrow, WHAT DO I DO?!

    i have a french exam tomorrow and i cant remember nothing, i've looked through my book like a million times and i just forget it about 10minutes later arghhh! help?
  90. 6th grade, science

    Think about the energy you use every day (running, eating, ...) Where have you seen heat energy being lost? Activity.... Heat lost through
  91. english

    i have to write an essay and this is the topic i chose: "Explain why you like or dislike something that has an effect on your life." i chose dislike: having no confident can i write about that or does it has to be a thing, an object? please help and thank you
  92. social Studies

    What are some good questions to ask about latitude and longitude and the prime Meridian and the Equator? Pease have at least 3 good questions. Pease help me. This is worth 100 points so please help!
  93. Chemistry/Calculus

    I have a question about how to plug in numbers on my calculator (TI-30XIIS) to get an answer. How would I put in my calculator... ln 1.00X 10-2 mol/L /1.65 X 10-2 mol/L to get-0.501? I keep getting the wrong answer...
  94. English

    Prepared speech about this topic Traditional healer should be allowed to practise and prescribe medicine in hospital and clinic. I don't have any working because i hv never done any prepared speech and i don't understand this topic well.
  95. English

    Think about all the selections you've read this far by European writers. Examine one element that the selections have in common, not including the fact that they are all European. Detail your findings.
  96. Biology

    Which of the following statements about enzymes is not true? A) Enzymes work best at a specified pH B) All enzymes have the same shape as their substrates. C) Enzymes are proteins. D) The shape of an enzyme allows it to do its job.

    CALCULATE THE pH AND HYDROLYSIS IN 0.10 M AlCl3 SOLUTION.Ka = 1.2 X 10-5 FOR [Al(OH2)6]+3,OFTEN ABBREVIATED Al+3.TELL WHETHER pH IS ACID OR BASE.GIVE IONIC EQUATION. Help us a little by telling us how much you know to do and exactly what you don't understand about the problem...

  99. English 10th grade

    1. Read the prompt below. Consider your position on the issue. Then write an essay response. You have 30 minutes to complete this assignment. Your assignment will be graded based on the Persuasive Prompt Grading Rubric. The rubric can be found in your Unit Resources. Prompt It...
  100. AP physics

    a small ball of mass .85 kg is attached to one end of a 1 m long massless rod, and the other end of the rod is hung from a pivot. When the resulting pendulum is 25 degrees from the vertical, what is the magnitude of the torque about the pivot?
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