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Questions (42)
3.50x + 1.72?
3 answers
195 views
2.50x + 50
Need help urgent!!
1 answer
218 views
The Blue Angels, the Navy's elite flying squadron, have performed for more than 427 million fans since their inception in 1946.
S
1 answer
1,061 views
Radhanath Sikdar, a mathematician and surveyor from India, calculated the height of Mount Qomolangma (Mount Everest) in 1852.
1 answer
1,132 views
A baseball is hit so that it travels straight upward after being struck by the bat. A fanobserves that it takes 3 seconds for
1 answer
685 views
So now m posting the answers along witg the questions... Plz correct me if m wrong ! ^^
Tranformation of Sentences ? 1.He wont
2 answers
467 views
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
1 answer
651 views
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
5 answers
3,238 views
Preposition:
I would like to pay the amount __cheque ? The boat goes__river ?
7 answers
2,633 views
Preposition:
Sri Lanka is __ the south of India. And what will happen if Sri Lanka is replaced with any other state within the
4 answers
2,793 views
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
2 answers
1,534 views
Is Lagrenge's mean value theorem applicable to f(x)=|x| on the interval [-1,2]
2 answers
503 views
What will be its differential equation?
y^2-2xy+x^2=a^2
0 answers
381 views
2x dy/dx+y=6x^3
How to solve ?
2 answers
2,076 views
Fnd the equation of the curve through the point (-1,2) of the differential equation dy/dx = -2xy/(x^2+1)
3 answers
445 views
integrate x^3/(x-1) w.r.t x
How do i get the answer ?
4 answers
327 views
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!!
3 answers
457 views
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...!!!
3 answers
479 views
Two techniques which can help in early detection of bacteria or virus infection much before the symptoms appear in the body?
2 answers
575 views
Name an organ which is formed of tissues of two different individuals.
1 answer
715 views
Name of the vaccine which is obtained from transgenic yeast .
Searched it but cant find it... Plx help !
1 answer
378 views
Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of
0 answers
452 views
Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of
3 answers
510 views
Prepositions
1. The examination is ____ hand. 2.The office is closed ____ the second and fourth saturday.
9 answers
6,057 views
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
1 answer
532 views
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
1 answer
412 views
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
12 answers
3,847 views
What is the principal of seperation of metal ions in qualitative analysis?
1 answer
445 views
Is optimum ph for enzyme 7-14?
2 answers
441 views
which element in the first transition series do not exhibit variation of oxidation state and why?
1 answer
465 views
The bookseller sells packages of 15 pens each and 12 pencils each.they want the same number of pens and pencils in their next
1 answer
591 views
In studies involving children, the ____ should have the final word in deciding whether they should participate.
A. Children B.
2 answers
513 views
Dr. Muse, a sociocultural theorist, speculates that children's ability to reminisce about the past can be promoted through adult
3 answers
638 views
Which of the following statements about the field of child development is correct?
A. It’s devoted to understanding human
3 answers
3,578 views
Consider a “semi-infinite” nonconducting rod
(that extends infinitely to the right only) and has a uniform charge density.
0 answers
749 views
As a comet swings around the Sun, ice on the comet's surface vaporizes, releasing trapped dust
particles and ions. The ions,
1 answer
878 views
An electric generator contains a coil of 100 turns of wire, each turn forming a rectangular loop 50cm
by 30cm. The coil is placed
0 answers
1,300 views
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
1 answer
896 views
2) A solid nonconducting sphere of radius R = 5.6cm has a nonuniform charge distribution or volume
charge density p=
0 answers
831 views
Near the equator, the Earth's magnetic field point almost horizontally to the north and has a magnitude of B = 50 micro T. What
1 answer
2,008 views
You decide to build a cyclotron (because you are bored) that will accelerate protons to 10% of the
speed of light. The largest
1 answer
998 views
A,B,C, and D are sitting along one side of a table. In how many different orders could the four friends be sitting?
2 answers
1,028 views
Answers (33)
What do you mean? The problem is there. I just need help. Or at least HOW to solve this?
TYSM...!!!
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:
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 =
Anyone???
I need answers
What is the answer???
Thanks Josie!
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
Ignore this question someone posted something similar!
Thank u Steve :)
Thnx
Thank you :)
So which will it be ? By or With ? one answer ?
1.in ? 2.on ?
@steve... ow... its ok... i did it in another sum where d 2 comes n mistakenly wrote it here... appreciate ur help :)
@steve... can u please elaborate ?
Thanx a lot steve :)
@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
@steve... now i further solved it... thnx.. ur answer is correct :) :)
@steve... i got c=2 log 2 .. before putting the pts i got the equation logy+log(1+x^2)=logc
@steve... uhm.. no... its supposed to be a differential equation.... is it ok if we only do one step differential n eliminate a ?
@Reiny...Thank you :)
@Quincy That's your own fault
@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 :)
@Ms.Sue... Thnk u ! i ll post u directly wen i hv trouble with grammar later :)
@Ms.Sue.... really? i want these to be 100% correct though!
@Ms.Sue 1.at 2.on
@writeacher... 1.No man in the street came forward to help her. -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.... 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."
its given in a reference book 4-7...is it correct ?
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!