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WHAT IS PREPOSITION?
A boy balances a pair of unequal masses at the ends of a light uniform massless rod at a mid point. (a)What name can give to this special point at which the masses are balanced. (b)Derive an expression for the point.
Define the term orbital velocity and escape velocity and derive the relation between them.
An earth satellite makes a complete circuit around the earth in 90 minutes.If the orbit is circular estimate the height of the satellite above the earth.Take the radius of the earth is 6370km and g=9.8m/s2.
The angular speed of a wheel is increased from 1200rpm in 16 sec. What is the angular acceleration assuming it to be uniform. Also estimate the total number of revolutions does the engine make during this time.
Why is an independent and powerful judiciary considered essential for democracies?
Find the value of 500/2*1000.
WHAT IS AN ADJECTIVE NOUN ?
12!is expressed in base 6,the number of zeros at the end of number is?
let n be any positive integer.Then n^3-n is divisible by?
when and where do we see a rainbow ? how does rainbow formed ? draw a labelled diagram to illustrate the formation of rainbow?
what is pollination ?how does it occur in plants ?how does pollination leads to fertilisation ? explain.
What were the obstacles in economic growth of Vietnam?
i would like to have a short note of stste syllabus chemistry chapter 9 'hydrogen' including each important points for me to prepare for exam.....better as capsule! coz i am lazy to study big paragraphs....please do help me with chemistry....i could not find help in class notes...so i beg you to help me to make chemistry more easy to score marks.....hope you guys will help me...help me as soon as you can. i am waiting for your help !
i humbly need an out sketch of seminar on the topic water pollution including the subtopic causes of water pollution.... and please do kindly tell me about the terms biochemical oxygen demand,and eutrophication (not as in the text !)which should be include in seminar and help with the guidelines to appear for a seminar and how should i prepare for the same. have a good day and i expect my answer on 22/1/2014 wednesday....hope you will answer me as soon as you can
find the value of a/2+2,given that a+1/a=2 and a not=0? a)(3+2)/2,b)3/2+2 c)3/2, d)(1+3/2)2
write some examples for suspension?
how to prove that two permutations(ncr) are equal?
A solution is to be kept between 68°F and 77°F.What is the range in temperature in degree celsius(C),If the celsius /Farenheet(F)conversion formula is given by F=(9/5)C+32?
Convert (1+7i)/(2-i)^2 in the polar form.