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

166,136 results, page 87

  1. help science

    3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of 2 dna strands unzips ? 2. duplicates ? 3. zips back up ? and then a simple sentence about each
  2. English-The Giver (book)

    Can someone please give me soome info about the character The Giver? A link to some info would also be great! Thanks and have a good day!
  3. SS, PLZ HELP ME FAST!!!!

    What conclusion can you draw about the comparative advantage other countries have in farming over Japan and the Koreas? So, What Does This Question Mean? Also, whats Comparative Advantage?
  4. Python Programming

    Does anyone have suggestions about books for a begineer to self study/get some basic to advanced knowledge on Python Programming? Hope someone who's familiar with this subject area,will help me. Thanks!
  5. biochemistry-studying

    I am taking biochemistry. I study for my tests, but I still can't do better than a D. After I turn my tests in, I feel confident that I did well until I get my tests back. I am frustrated and feel maybe I am too stupid for such a course. I literally cried today when I saw my ...
  6. Calculus

    True or False: Consider the following statement: A differentiable function must have a relative minimum between any two relative maxima. Think about the First Derivative Test and decide if the statement is true or false. I want to say that its true and that the question is ...
  7. pre-calc

    a lifeguard sits on the lifeguard stand that is about eight feet high.he suddenly notices that a swimmer is struggling in the water.the angle between the base of the lifeguard stand and the swimmer is about 102 degree,and the straight line distance between the base of the ...
  8. Math

    Of the students in Rosalie’s dance class, 29 out of 59 have participated in dance class before. About how many of her students have participated in dance class before? 1.0 2.1/2 3.1 4.2
  9. physics... PLEASE HELP

    A typical laser used in introductory physics laboratories produces a continuous beam of light about 1.0 mm in diameter. The average power of such a laser is 0.75 mW. (i) What is the average intensity? (ii) What is the peak intensity? (iii) What is the average energy density of...
  10. Shakespeare

    We are learning about Romeo and Juliet. And its my first time learning about them. And Im just wondering about the literature that Shakepeare uses, like its so strong and so different from the literature of today. I have a few general questions on it, I would really like to ...
  11. chemistry question (about mass)

    i have a lab, where you took a pile of m&ms and weighted them on a digital scale. and then we found the mass of just one. but i forgot what we did to find the mass of 1. we didn't just put one m&m on the scale. anyone know how to find the mass of one? Did you count the number ...
  12. Government

    Which of the following statements about congress is not true? a.) in the senate, seniority still plays a role as to who is appointed committee chairpeople b.) in the house, rules on debate are more restrictive than in the senate c.) senators have more committee assignments ...
  13. math

    The mass of neptune is about 1.03 x 10^23 metric tons. The mass of the sun is about 1.998 x 10^27 metric tons. About how many times the mass of neptune is the mass of the sun? Give answer in scientific notation.
  14. English

    I need to find the subject and the verb in each sentence. If the subject is understood, write (you). Can someone tell me if I am on the right track? 1.Have you ever heard stories about dragons? Subject-dragons, verb-stories 2.Picture a yellow-speckled, olive-green creature ...
  15. Physics

    The Voyager 1 spacecraft is at the edge of the solar system, about 11 billion km away. (a) How long does a radio signal from Voyager 1 take to get to the Earth? (b) Its radio works at 8 GHz. What is the wavelength? (c) What type of light is this? (d) What is the energy of ...
  16. future

    I'm sorry if this is irrevalent for this site, however, I couldn't find an active advice site. As I'm about to be graduating high school, I've been worried about my future. As long as I remember, I have wanted to be a doctor. But I'm wondering if I have what it takes to become...
  17. To Cassandra -- Com140

    Your complex post has been removed because it (1) contains references to materials that we can't access, and (2) give no clue about what you do and don't know about this assignment. Please note that Jiskha Homework Forum has no connection with Axia or any other school.
  18. Philosophy

    Do you know any good websites where I can find information about the capitalist economic/political system in the US as well as in Denmark and/or France? I tried google but I haven't found a great site or I'm usually given a sentence or 2 about the topic. Thanks in advance
  19. math

    Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=1/x^2 y=0 x=4 x=7; about y=–3 i integrated and plugged in values for x and got .61 *pi this is not the right answer been trying for hours please help!
  20. math

    Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=1/x^2 y=0 x=4 x=7; about y=–3 i integrated and plugged in values for x and got .61 *pi this is not the right answer been trying for hours please help!
  21. Language

    Choose the meaning that best matches the word in italics. The public is upset about the political view of the author, so people are going to boycott the film based on this book. Abandon Write about Quit Reject••
  22. English

    what life was like for Jewish folks under Nazi occupation? could anyone leave links to sites that give information about that question? Or even just comment things you know about it, I'm trying to redo a powerpoint presentation.
  23. English (Check)

    1. To what emotion does the following passage appeal? Explain your answer. It would be dreadful to suffer this fierceness and wrath of Almighty God one moment; but you must suffer it to all eternity. There will be no end to this exquisite horrible misery. When you look forward...
  24. Physics 1111: Orbitals and Distance

    A planet has two satellite moons. Moon X has an orbital period of 2.27 days. Moon Y has an orbital period of about 3.40 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center. The planet's mass is 1....
  25. English, PLEASE HELP ASAP

    BOOK "O PIONEERS!" On pages 68-69, Alexandra and Carl Lindstrum have a conversation where they compare the different paths their lives have taken. At the bottom of page 68, the paragraph begins with Carl saying--“Freedom so often means that one isn’t needed anywhere. Here ...
  26. Language Arts

    these lines of dialogue from the dairy of anne frank, act 1 reveal a lot about anne's character. In the paragraph , explain at least two things that you find out about anne's personality from her words. I really need help I can't seem to find two things that your suppose to ...
  27. Chemistry

    DrBob222 you were so helpful earlier in assuring me I was on the right track with the ionic equations. Your very gifted in chemistry. I have spent from a short time after that post until now banging my head against the wall trying to figure out how to balance an oxidation ...
  28. History

    Thank you for using the Jiskha Homework Help Forum. In addition to the site for the book, here is a site for the film, made in 1930: http://www.filmsite.org/allq.html If you go to: http://www.Netflix.com and enter "All Quiet On The Western Front" in the "search" box on the ...
  29. physics

    A hydrogen atom is in its n = 6 excited state. Determine, according to quantum mechanics, each of the following: (a) The total energy =eV (b) The magnitude of the maximum angular momentum the electron can have in this state =J s (c) The maximum value that the z component of ...
  30. physics

    A hydrogen atom is in its n = 6 excited state. Determine, according to quantum mechanics, each of the following: (a) The total energy =eV (b) The magnitude of the maximum angular momentum the electron can have in this state =J s (c) The maximum value that the z component of ...
  31. Physics 1401

    An ideal meter stick is balanced on a pencil which is at the 60 cm mark. A 6 gram mass sits at the 90 cm mark. What is the mass of the meter stick? Again, I have the answer and it is 18g. I have no clue where to even begin with this questions. Thank you in advance.
  32. Physics 1401

    An ideal meter stick is balanced on a pencil which is at the 60 cm mark. A 6 gram mass sits at the 90 cm mark. What is the mass of the meter stick? Again, I have the answer and it is 18g. I have no clue where to even begin with this questions. Thank you in advance.
  33. Physics

    Can you find two vectors with different lengths that have a vector sum of zero? What length restrictions are required for three vectors to have a vector sum zero? Explain.
  34. Physics

    Can you find two vectors with different lengths that have a vector sum of zero? What length restrictions are required for three vectors to have a vector sum zero? Explain.
  35. physic

    I have a number of questions. please answer as many possible according your expertise. 1. i have seen for sale fossils of ginger and garlic in an antiquity shop. they look like ginger/garlic but is rock hard. the price is about $8 each, which seems like to be very cheap. the ...
  36. physic

    I have a number of questions. please answer as many possible according your expertise. 1. i have seen for sale fossils of ginger and garlic in an antiquity shop. they look like ginger/garlic but is rock hard. the price is about $8 each, which seems like to be very cheap. the ...
  37. English Expressions

    Let's play the bingo game. Look at the big bingo board. There are expressions in each box on the bingo board. There are nine sentences in theboxes. You should write the sentences again with contractions in the boxes on the smaller bingo board randomly. Later I will read the ...
  38. Biology

    I have a biology project due on monday i have all the information all i need is a Graph/chart. Where can i find an athletes foot chart/graph. It does not matter what it says on the chart/graph as long as its about athletes foot. are you willing to help. I need help Please oh ...
  39. physics

    The sun’s mass is about 2.7 x 107 times greater than the moon’s mass. The sun is about 400 times farther from Earth than the moon. How does the gravitational force exerted on Earth by the sun compare with the gravitational force exerted on Earth by the moon? Amoon = g* ...
  40. physics!!**

    In a typical golf swing, the club is in contact with the ball for about 0.0015 s. If the 45 g ball acquires a speed of 75 m/s, estimate the magnitude of the force exerted by the club on the ball.
  41. Physics

    What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The orbital period around the Sun is 365.3 days.)
  42. Physics

    What is the centripetal acceleration of the Moon? The period of the Moon's orbit about the Earth is 27.3 days, measured with respect to the fixed stars. The radius of the Moon's orbit is RM = 3.85 · 108 m.
  43. physics

    In a typical golf swing, the club is in contact with the ball for about 0.0010 . If the 45- ball acquires a speed of 57 , estimate the magnitude of the force exerted by the club on the ball.
  44. physics

    In a typical golf swing, the club is in contact with the ball for about 0.0010s. If the 45-g ball acquires a speed of 41 m/s, estimate the magnitude of the force exerted by the club on the ball.
  45. physics

    A eye pupil of 1 cm diameter can resolve about what angle in radians? First of all I don't understand what they mean by resolve. Resolve the light coming into the eye?
  46. physics

    The value of g at Earth’s surface is about 9.8 m/s^2. If Earth were of uniform density (same mass/volume throughout), what would the value of g be inside Earth at half its radius?
  47. Physics

    What is the centripetal acceleration of the Moon? The period of the Moon's orbit about the Earth is 27.3 days, measured with respect to the fixed stars. The radius of the Moon's orbit is RM = 3.85 · 108 m.
  48. physics

    What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The orbital period around the Sun is 365.3 days.)
  49. Physics "Space Travel"

    Suppose you want to go to the immense red giant Betelgeuse, which is about 500 light years away. (A light year is the distance that light travels in one year.) You plan to travel at constant speed in a 1000 ig rocket ship. A: If the rocket ship's speed is 0.500 c, calculate ...
  50. English

    Need help with Analogies and suggest me other ways to write them please. Thank you for the help. 1)Smart people keep quiet about what they know, but stupid people advertise their ignorance.Changed into:Good drivers are hindered to show their driving skills, while reckless ...
  51. physics

    ok im doing my physics homework and we have to submit the answers online. i keep getting these questions wrong and i only have one more try can someone please tell me how to work it? a 2.5 kg otter starts from rest at the top of a muddy incline 94.6 cm long and slides down to ...
  52. science

    1.The energy associated with the absorption of a photn of wavelength 4.26 micrometers is ______________? 2.The bond energy associated with the bond between the Nitrogen atom and Bromine atom is______________________? 1. See other post on plancks equation. 2. This question begs...
  53. physics

    Certain neutron stars (extremely dense stars) are believed to be rotating at about 100 rev/s. If such a star has a radius of 10 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?
  54. physics

    The world's fastest humans can reach speeds of about 11 m/s. In order to increase his gravitational potential energy by an amount equal to his kinetic energy at full speed, how high would such a sprinter need to climb? How do you set this up?
  55. Physics

    The cheetah is one of the fastest-accelerating animals, because it can go from rest to 18.2 m/s (about 41 mi/h) in 2.7 s. If its mass is 114 kg, determine the average power developed by the cheetah during the acceleration phase of its motion. Express your answer in the ...
  56. physics- TEST TMRW PLS HELP!

    w w w . m e d i a . c h e g g c d n . c o m / m e d i a / a c 3 / a c 3 b b 1 e 1 - 5 b a 8 - 4 1 9 e - 9 a 8 4 -a d 5 0 e 4 6 a 2 9 4 e / p h p s U O o L 3 .p n g (delete all spaces for link to work) Determine the magnitude of the resultant moment produced by the forces about...
  57. Physics

    Police find skid marks 180 meters long on a highway where a car made an emergency stop. Assuming that the deceleration was a = 10 m/s¶ (about the maximum for dry pavement), how fast was the car traveling before the brakes were applied?
  58. business

    You have been retained to analyze how many check-in agents should be used at a check-in counter for a large hotel. During normal business hours, customers arrive at a rate of about 24 per hour, and it takes about 7 minutes to complete the check-in process. Both the poisson ...
  59. English

    Improving your writing. Section 1-Facts and figures that define the problem (the cause). Details that show the impact of the problem (effects) on Jack, Ruth, and the company. Section 2 - The steps needed to change the situation. Reason to implement each step, including the ...
  60. chemistry

    ho do you calculate final temperature? anyone please help thanks that's a little vague. Are you dealing with ideal gases? If so you would use the formula PV=nRT P = pressure V = volume of container n = moles (grams/molar mass) R = gas constant (0.0821) T = temperature sorry ...
  61. List of Rights

    Metis list of rights-1869 These were the older rights. And I don't understand many of them, please simplify for me. That treaties be concluded and ratified between the Dominion Government and the several tribes of Indians in the Territory to ensure peace on the frontier. That ...
  62. angebra

    ok i have 19th grade algebra next yeah and i don't even know half the stuff from thid year...soo what di i do cuz i am totsly going to fail i mrn itd summy snd im worried about algebra
  63. geograhphy

    Heyy x Does anyyone know a good siite for finding volcanoes ? x ii Have to find the 10 biggest eruptions and write aloadaa stuff about it like when it happened and where abouts x Anyyone ? x it needs to be onn fridayy x Thankyouu x Paiigeee x
  64. trig

    we haven't discussed log properly yet! It's supossed to be on the RAT, but IDK. . . this is about as much as I know: if you have log(X) 2401 = 4, then x equals 7. One of the simulated questions asks to express 3log(2) p + 4log(2) Q - 2log(2) R. please help.
  65. 6th grade

    Next, Tom remembers that he heard a doctor talking about something that takes two weeks to heal. I have to identify what type of pronoun that (second one in sentence) is. Would it be a relative pronoun?
  66. 12th grade art

    Will someone plz help me. I have looked through website after website and I cant find the right peron. Just like a page address or something or explain about his works and his life. Please and thanks!
  67. alcohol counselor

    Select one core function you have learned about so far and describe at least three global criteria. Explain why you believe these criteria are important elements in the substance abuse counseling process.
  68. Phizzics....

    n 2005, the space probe Deep Impact launched a 30 kg projectile into Comet Tempel 1. Observing the collision helped scientists learn about the comet’s characteristics. The come is estimated to have a mass of 9.0 x 1013 kg.
  69. Health P.2

    People living with HIV can have a longer and healthier life by ________. A. Joining a support group B. Taking their medicines C. Learning as much as possible about HIV and available treatments D. All of the above I'm guessing D?
  70. 3 grade english

    they say write a sentence about something you like about stars. underline the verb make it agrees with the subject of the sentence. and my son write stars are really shiny,and really bright. also i like about stars is that they help with directions. my son underline the are ...
  71. Writing

    Please point out mistakes,give feedback, and grade. ACT prompt: In recent years, many schools have adopted a "Great Books"- based curriculum. These schools require students to study certain designated classic books of Western civilizations, arguing that familiarity with these...
  72. us history

    What big idea of American government does The House of Burgesses Fall under? Delf Government, Limited government, representative government or common law.
  73. data management (gr.12)

    ana finds 11 shirts in his size at a clearence sale. How many different purchases could ana make? the answer is 2047, any idea how to answer this? thanks!!
  74. Grammar

    Each sentence in a paragraph should relate to the idea that the topic sentence introduces. 1. True 2. False I answered true. Please check my answer and Thank you for your help.
  75. Unit 1 lesson 7 math

    1. if MNO is = to QSR witch of the following is true? 2.The triangles shown are congruent. Find the measure of P 3.Which congruence statement says the same thing as ABC = DFE 4.Note: Remember to show all of the steps that you use to solve the problem. Be sure to use the text ...
  76. Social Studies

    I am doing a crossword puzzle. One of the questions was "The electoral college was developed because some of the founding fathers believed that too much democracy was a very ____thing. The answer is 9 letters long, and it has me completely stumped. Any idea where I could go to...
  77. history

    which of the following caused a split in the women's suffrage campaign? a. Alice Paul's aggressive strategy b. Carrie Chapman Catt's "Winning Plan" c. the decision to press for a constitutional amendment d. World War I no idea, pleease help!
  78. MS SUE PLEASE HELP socials

    I REALLY DON'T KNOW THE ANSWER TO THIS. ACCORDING TO THE PROTESTANT WORK ETHIC WHICH AFFECTS CANADIAN SOCIETY EVEN TODAY, ONE GAINS VIRTUE BY WORKING HARD. WHY WOULD BUSINESS PEOPLE AGREE WITH THIS IDEA?
  79. chemistry

    Calculate the value of ()Go for the following reaction , given the standard free energies of formation listed below each ion. Ag(SO3)_2^3- -> Ag+ + 2SO32- delta Gf, kJ/mol = -943 +77 -497 a. - 1860 kJ b. – 128 kJ c. + 26 kJ d. - 369 kJ e. + 523 kJ help no idea
  80. English

    Identify the phrase in parenthesis in the sentence. The idea of alien life, (proposed many years ago), has not yet been proven. prepositional participal gerund infinitive** I thought it might be an appositive, but now I'm not sure. I'm guessing it is D?
  81. SOCIAL STUDIES

    Which of the following pieces of the square deal legislation left a major impact on the economy? A.)Wisconsin Idea B.)16th Amendment C.)Pure food and drug act D.) New interstate commerce commission laws B???
  82. Physics

    I have a 67 as a final grade for the year in my physics class my final exam counts as 10% if I get a 0 and just don't show up to my final will I fail the class for the year?
  83. physics

    In the physics equation F=qE, where E is the electric field, q is the charge, and F is the force that the electric field exerts on this charge, does the charge, q, by itself have a direction associated with it? Why or why not?
  84. physics

    consider three charges: +Q, -Q, q where the center charge is equidistnat from the other two. assum that the two Qs cannot move. you also want to charge q to be at rest. if q=-8.0 nC, find Q+ You don't have to solve it but can you lead me in the right direction to solve the ...
  85. Math

    5. Suppose that the volumes of four stars in the Milky Way are 2.7 × 1018 km3, 6.9 × 1012 km3, 2.2 × 1012 km3, and 4.9 × 1021 km3. What is the order of the stars from least to greatest volume? A.) 2.7 × 1018 km3, 6.9 × 1012 km3, 4.9 × 1021 km3, 2.2 × 1012 km3 B.) 2.2...
  86. English-- literature

    Cyrano de Bergerac: (you don't really have to have read the book) I have to think of contemporary (modern day) parallels (ie: crimes, political, entertainment, or gossip column news, advertisements, etc.) for each of these characters or events: (I've been thinking of movies ...
  87. English

    Can you help me check these sentences please? I still have some doubts. 1)I like playing sports in the real life but I have never played online games. 2)I have internet access at home (?). I find sports and game (?) websites interesting. 3)I have never used any chat rooms (?) ...
  88. Chemistry

    We have to conduct a lab experiment for a photochemical reaction. We will be using a redand violet film and filter paper labeled 40W and 60W. On each piece of paper we will add 1 drop of NaCl and AgNO3 and then let it sit under a lamp to see what happens. At the end we will ...
  89. Health

    I need help with this question I have some of the answers. Compare the old pyramid to the new food pyramid what are the differences and what is the same. The differences in the new food pyramid would be the amounts that you eat, and also the colors and shapes of the pyramids. ...
  90. Physics-Please check

    Electricity may be generated by rotating a loop of wire between the poles of a magnet. The induced current is greates when: a.Plane of loop makes an angle 45 degrees with the magnetic field b.The plane of the loop is parallel to the magnetic field c.The plane of the loop is ...
  91. reading

    He had a weak point --this Fortunato --although in other regards he was a man to be respected and even feared. He prided himself on his connoisseurship in wine. Few Italians have the true virtuoso spirit. For the most part their enthusiasm is adopted to suit the time and ...
  92. English

    1. I am bored with the lecture. 2. I am bored by the lecture. 3. I am bored at the lecture. 4. I am bored about the lecture. =========== Which prepositions do we have to use? Can we use all the prepositions? Which preposition is commonly used? 5. The lecture is boring to me. 6...
  93. English

    R for run on sentence, CS for comma splice, F for fragment, and C for correct sentence. Some correct sentences can be punctuated more effectively, however. 1. Carlos took the job and he was happy to get it. 2. Tono loves Chinese food, he eats it three times a week. 3. Lovie ...
  94. statistics

    Heights of women have a bell-shaped distribution with a mean of 158 cm and a standard deviation of 8 cm. Using Chebyshev’s theorem, what do we know about the percentage of Women with heights that are within 3 standard deviations of the mean. What are the minimum and maximum ...
  95. Physics

    A basketball player, standing near the basket to grab a rebound, jumps 73.6 cm vertically. How much time does the player spend in the bottom 15.4 cm of the jump? I think I have this right, but I'd like someone to make sure. First I have to find the total time by plugging 73.6 ...
  96. College physics

    If the force increases when the current increase what can you say about the force on a current element as a function of the current?
  97. physics

    The mass of the Mars is about 0.11 the mass of the earth, its radius is 0.53 that of the earth, and the acceleration due to gravity at the earth's surface is 9.80 {\rm m}/{\rm s}^{2}.
  98. Business

    Sue and Tom Wright are assistant professors at the local university. They each take home about $40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 13 and 11. Were either one to die, they estimate that the remaining ...
  99. Chemistry

    I got some questions about air bags. Can someone please help me out? Thamks in advance for giving me any information about that. 1. Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be necessary to have it...
  100. English LAST 1. (:

    It's about MLk I Have A Dream speech. Why does King use the rhetorical technique of parallel structure in his speech? A)to show that he is aware of the time that has passed B)to show that others are not aware of the time that has passed C)to show that two or more ideas have ...
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