Ri

This page lists questions and answers that were posted by visitors named Ri.

Questions

The following questions were asked by visitors named Ri.

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

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?

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 f...

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?

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 hav...

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 l...

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

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

Is optimum ph for enzyme 7-14?

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

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.

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

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."??

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

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

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

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

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

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...!!!

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!!

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

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

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

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

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 ?

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 ?

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

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

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...

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...

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 pr...

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.† (Round...

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...

2.50x + 50 Need help urgent!!

Answers

The following answers were posted by visitors named Ri.

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!

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

@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."

@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 ?

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

@Ms.Sue 1.at 2.on

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

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

@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 :)

@Quincy That's your own fault

@Reiny...Thank you :)

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

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

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

@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

Thanx a lot steve :)

@steve... can u please elaborate ?

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

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

Thank u Steve :)

Ignore this question someone posted something similar!

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 c...

What is the answer???

C. 66.4 m Because the horizontal acceleration is 0, use x = v(Δt) to find horizontal displacement (the range) v = 120 m/s Use t = (sqrt)Δy/(0.5[-9.81]) to find Δt Δy = -1.5m (because it is *falling* from 1.5 meters, thus it is negative) t = (sqrt)-1.5/(0....

Okay so GPE = KE (Gravitational Potential Energy = Kinetic Energy) GPE = mgh (Gravitational Potential Energy = mass x gravity x height) KE = 1/2mv^2 KE = 1/2(60) * (12)^2 KE = 4320 KE before hill: 4320 J KE = 1/2(60) * (9.75)^2 KE = 2851.875 KE after hill...

What do you mean? The problem is there. I just need help. Or at least HOW to solve this?