Ri

Most popular questions and responses by Ri
  1. English Grammar

    Prepositions 1. The examination is ____ hand. 2.The office is closed ____ the second and fourth saturday.

    asked on February 6, 2016
  2. Math

    2x dy/dx+y=6x^3 How to solve ?

    asked on February 11, 2016
  3. Physics

    Near the equator, the Earth's magnetic field point almost horizontally to the north and has a magnitude of B = 50 micro T. What should be the magnitude and direction for the velocity of an electron if its weight is to be exactly balanced by the magnetic

    asked on November 16, 2010
  4. Physics

    You decide to build a cyclotron (because you are bored) that will accelerate protons to 10% of the speed of light. The largest vacuum chamber you can find is 50cm in diameter. What magnetic field strength will you need?

    asked on November 12, 2010
  5. Grammar

    Preposition: Sri Lanka is __ the south of India. And what will happen if Sri Lanka is replaced with any other state within the country India ?

    asked on February 26, 2016
  6. Physics

    In a certain cyclotron a proton moves in a circle of radius 0.5m. The magnitude of the magnetic field is 1.2T. a) What is the oscillator frequency? b) What is the final kinetic energy of the proton?

    asked on November 24, 2010
  7. English Grammar

    Change to Affirmative 1.No man in the street came forward to help her. 2.None of them were bad. 3.Nobody was present in the family function.

    asked on February 6, 2016
  8. Grammar

    The pen is often compared ____ a sword... Will it be "to" or "with" Pls tell me when to use to and when to use with ? What will be the above answer ?

    asked on February 12, 2016
  9. Pre-calc

    Radhanath Sikdar, a mathematician and surveyor from India, calculated the height of Mount Qomolangma (Mount Everest) in 1852. While standing a distance of 240 kilometers from the peak, he determined that the height of the mountain was 8839 meters.†

    asked on April 14, 2018
  10. Physics

    An electric generator contains a coil of 100 turns of wire, each turn forming a rectangular loop 50cm by 30cm. The coil is placed entirely in a uniform magnetic field with magnitude, B = 3.5T and direction initially perpendicular to the coil's plane. What

    asked on November 24, 2010
  11. English Grammar

    Change it to positive without changing the meaning. No man in the street came forward to help her. Should it be "Every man in the street stood where they were."??

    asked on February 6, 2016
  12. Biology

    Two techniques which can help in early detection of bacteria or virus infection much before the symptoms appear in the body?

    asked on February 9, 2016
  13. Physics

    2) A solid nonconducting sphere of radius R = 5.6cm has a nonuniform charge distribution or volume charge density p= (1.41pCm^-3)r/R, where r is the radial distance from the sphere's center. a) What is the sphere's total charge? b) Calculate AND sketch a

    asked on November 24, 2010
  14. Biology

    Name of the vaccine which is obtained from transgenic yeast . Searched it but cant find it... Plx help !

    asked on February 9, 2016
  15. Physics

    Consider a “semi-infinite” nonconducting rod (that extends infinitely to the right only) and has a uniform charge density. Calculate the magnitude and direction of the electric field at the point, P, which is a distance of R away from the edge of the

    asked on November 24, 2010
  16. Physics

    As a comet swings around the Sun, ice on the comet's surface vaporizes, releasing trapped dust particles and ions. The ions, because they are electrically charged, are forced by the electrically charged solar wind into a straight ion trail that points

    asked on November 24, 2010
  17. Grammar

    So now m posting the answers along witg the questions... Plz correct me if m wrong ! ^^ Tranformation of Sentences ? 1.He wont show me his papers,he wont tell me who he is (use neither -nor) Ans.He neither would show me his papers nor he would tell me who

    asked on February 28, 2016
  18. Grammar

    Tranformation of Sentences ? 1.He wont show me his papers,he wont tell me who he is (use neither -nor) 2.This is all i posses.(Turn to negative) 3.No man in tge street came forward to help her.(Turn to Assertive) Plz post in the answers directly.. I will

    asked on February 26, 2016
  19. Math

    Form the differential equation of the family of curves y^2-2xy+x^2=a^2, a=arbitary const. I really need to know the answer!!

    asked on February 11, 2016
  20. Pre-calc

    The Blue Angels, the Navy's elite flying squadron, have performed for more than 427 million fans since their inception in 1946. Suppose the two Blue Angel jets at points P and A in the diagram have elevations of 1555 feet and 1000 feet, respectively. Both

    asked on April 14, 2018
  21. Physics

    A baseball is hit so that it travels straight upward after being struck by the bat. A fanobserves that it takes 3 seconds for the ball to reach it's maximum height. Find the balls initial velocity and the height it reaches. My teacher gave me a similar

    asked on September 9, 2016
  22. Math

    Is Lagrenge's mean value theorem applicable to f(x)=|x| on the interval [-1,2]

    asked on February 11, 2016
  23. Math

    If vector a=2i-j+k, b=i-3j+k,c= -2i+j-3k,d=3i+2j+5k find the p,q,r such that d=pa+qb+rc. Please help me how to do it...!!!

    asked on February 10, 2016
  24. Biology

    Name an organ which is formed of tissues of two different individuals.

    asked on February 9, 2016
  25. Biology

    Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of the statement ? P.S I don't have the"Modern Biology" Book ... so plz help me with the note!

    asked on February 8, 2016
  26. Math

    What will be its differential equation? y^2-2xy+x^2=a^2

    asked on February 11, 2016
  27. Math

    Fnd the equation of the curve through the point (-1,2) of the differential equation dy/dx = -2xy/(x^2+1)

    asked on February 11, 2016
  28. Math

    integrate x^3/(x-1) w.r.t x How do i get the answer ?

    asked on February 11, 2016
  29. English Grammar

    Please check if its correct Change from Positive to Negative 1.None of them were bad - All of them were good 2.Nobody was present in the funeral function -Everybody was absent from the funeral function

    asked on February 6, 2016
  30. Education

    Which of the following statements about the field of child development is correct? A. It’s devoted to understanding human constancy and change over the lifespan. B. It’s part of a larger, interdisciplinary field known as developmental science. C. It

    asked on November 12, 2012
  31. math

    A,B,C, and D are sitting along one side of a table. In how many different orders could the four friends be sitting?

    asked on June 8, 2009
  32. Grammar

    Tense: 1.Unless we ___ (start) now we cant be on time ? 2.He thanked me for what i ___(do) for him? 3.The fatal car accident __(occur) at 10.30 this morning. Are these correct ? 1.start 2.had done 3.occured

    asked on February 26, 2016
  33. Grammar

    Preposition: I would like to pay the amount __cheque ? The boat goes__river ?

    asked on February 26, 2016
  34. Biology

    Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of the statement ?

    asked on February 7, 2016
  35. Chemistry

    What is the principal of seperation of metal ions in qualitative analysis?

    asked on February 4, 2016
  36. Chemistry

    Is optimum ph for enzyme 7-14?

    asked on February 4, 2016
  37. Chemistry

    which element in the first transition series do not exhibit variation of oxidation state and why?

    asked on February 3, 2016
  38. Math

    The bookseller sells packages of 15 pens each and 12 pencils each.they want the same number of pens and pencils in their next order.find the smallest number of packages

    asked on October 5, 2014
  39. Education

    In studies involving children, the ____ should have the final word in deciding whether they should participate. A. Children B. Researchers C. Therapists D. Parents I think it is either B or D. I am conflicted because parents would have already agreed to

    asked on November 12, 2012
  40. Education

    Dr. Muse, a sociocultural theorist, speculates that children's ability to reminisce about the past can be promoted through adult teaching. This is an example of a A. Theory B. Research Question C. Hypothesis D. Research method I have read my book, but

    asked on November 12, 2012
  1. history

    Anyone???

    posted on December 3, 2018
  2. history

    I need answers

    posted on December 3, 2018
  3. TX History

    What is the answer???

    posted on October 3, 2018
  4. History

    Thanks Josie!

    posted on November 1, 2017
  5. probability and statistics

    Perhaps an easier way to understand it would be this -- assume friends 1, 2, 3 like ice creams A, B, C and friends 4, 5, 6 like ice creams D, E, F. We know that each friend has to like exactly four flavors, so we must assign each of them to one more ice

    posted on August 9, 2017
  6. Physics

    Ignore this question someone posted something similar!

    posted on September 9, 2016
  7. Grammar

    Thank u Steve :)

    posted on February 28, 2016
  8. Grammar

    Thnx

    posted on February 26, 2016
  9. Grammar

    Thank you :)

    posted on February 26, 2016
  10. Grammar

    So which will it be ? By or With ? one answer ?

    posted on February 26, 2016
  11. Grammar

    1.in ? 2.on ?

    posted on February 26, 2016
  12. Math

    @steve... ow... its ok... i did it in another sum where d 2 comes n mistakenly wrote it here... appreciate ur help :)

    posted on February 11, 2016
  13. Math

    @steve... can u please elaborate ?

    posted on February 11, 2016
  14. Math

    Thanx a lot steve :)

    posted on February 11, 2016
  15. Math

    @steve ...i got the final ans as log y = 2[log(x-1)+(x-1)^3/3+3(x-1)+3/2(x-1)^2] is it correct ?? did it by 2nd method

    posted on February 11, 2016
  16. Math

    @steve... now i further solved it... thnx.. ur answer is correct :) :)

    posted on February 11, 2016
  17. Math

    @steve... i got c=2 log 2 .. before putting the pts i got the equation logy+log(1+x^2)=logc

    posted on February 11, 2016
  18. Math

    @steve... uhm.. no... its supposed to be a differential equation.... is it ok if we only do one step differential n eliminate a ?

    posted on February 11, 2016
  19. Math

    @Reiny...Thank you :)

    posted on February 10, 2016
  20. Social Studies

    @Quincy That's your own fault

    posted on February 8, 2016
  21. Biology

    @bobpursley....d fact is.... I don't have the book... Dats d reason why m posting this ... wondering if someone could help me with the problem :)

    posted on February 7, 2016
  22. English Grammar

    @Ms.Sue... Thnk u ! i ll post u directly wen i hv trouble with grammar later :)

    posted on February 6, 2016
  23. English Grammar

    @Ms.Sue.... really? i want these to be 100% correct though!

    posted on February 6, 2016
  24. English Grammar

    @Ms.Sue 1.at 2.on

    posted on February 6, 2016
  25. English Grammar

    @writeacher... 1.No man in the street came forward to help her. -Every man in the street stood where they were.

    posted on February 6, 2016
  26. English Grammar

    @writeacher... well srry fr nt mentioning it in the first place ... But yes , its changing to positive without changing the meaning.. so is my answer correct ?

    posted on February 6, 2016
  27. English Grammar

    @writeacher.... i think ur not correct... u have to change it to positive without changing the meaning. Should it be "Every man in the street stood where they were."

    posted on February 6, 2016
  28. Chemistry

    its given in a reference book 4-7...is it correct ?

    posted on February 4, 2016
  29. Education

    You are right, it is B. Even though it focuses in children's cognitive and social decelopment, the study is to understand constancy and change from conception through adolescence, so it is not limited to C. Thank you!

    posted on November 12, 2012