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Catalogs Discussion Forums -> Differential Calculus -> differentiating modulus function -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
how should we differetiate modulus functions.
eg
   y=1/|sinx|
dy/dx=?
Community shelf Community shelf -> Strategies to tackle JEE -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
Simply superb. thanx a lot!!
Catalogs Discussion Forums -> Mechanics -> COM -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
hi
 pls solve this problem 4 me:
 
  2 particles A and B are projected from bottom and top resp.one is projected with 200m/s and the other with 50m/sthey are of masses 1kg and 2kg resp. initially they were 90m apart.find the centre of mass of the particles. g=10m/s^2
Catalogs Discussion Forums -> Organic Chemistry -> Reagents List... -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
use morrison and boyd and an organic chemistry book written  by an indian author.compare. you can easily identify the reagents and you can also remember them easily.but be ready to spend some  3-4hrs.it is not difficult once you get used to this method.

Catalogs Discussion Forums -> Physical Chemistry -> balancing of equations -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
hi,
    can anyone tell me about balancing of reactions by using oxidation number method.

please reply

gayathri
Catalogs Discussion Forums -> Mechanics -> COM -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
Hi,
     I have doubt in these 2 problems.it sounds simple. help me to do it.

1.masses m, 2m, 3m occupy the vertices of an equilateral triangle of side a.
   locate the centre of mass of the system.
2.masses m, 2m, 3m, 4m occupy the vertices of a squre of side a.loacate centre    of mass of the system.

please help.

gayathri
Catalogs Discussion Forums -> About IITs and JEE -> clarification -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
hi,
    i am doing my 11th.do you think i can start preparing for iit from now since my friends are attending coaching classes for past one year.
 
 
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