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Catalogs Discussion Forums -> Differential Calculus -> value of this integral -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
value of this integral
Community shelf Community shelf -> The Psychoology of Success in IIT JEE (Excerpts) Part 5 -> Go to message
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this was a real cracker...so all have to say " i am posting this from IITB" ......
Catalogs Discussion Forums -> Mechanics -> GRAVITATION ! -> Go to message
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two uniform, indentical spherical objects, each of mass 'm' are a rest at a very large distance(which may taken as infinity) initially .then they start to move towards each other, the only force acting on them being the gravitational force on each other. when they are at a distance d ,their relative velocity of approach is ?
Catalogs Discussion Forums -> Mechanics -> GRAVITATION ! -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]

two uniform, indentical spherical objects, each of mass 'm' are a rest at a very large distance(which may taken as infinity) initially .then they start to move towards each other, the only force acting on them being the gravitational force on each other. when they are at a distance d ,their relative velocity of approach is ?
Catalogs Discussion Forums -> Algebra -> basics.... how to factorize x^3 - 6x^2 +11x - 6 ???? -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
basics.... how to factorize x^3 - 6x^2 +11x - 6 ????
Community shelf Community shelf -> Thoughts on How To Learn Chemistry..............mainly Organic............. -> Go to message
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nice
Catalogs Discussion Forums -> Organic Chemistry -> what is a primarycarbon? -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
a carbon that is attached to only one carbon !!!

good luck !
Community shelf Community shelf -> Test ur intelligence -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
except the second one all i got is correct !
Catalogs Discussion Forums -> Mechanics -> Rate Assured for the correct solution -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
please explain !!!
Catalogs Discussion Forums -> Inorganic Chemistry -> Is there any formula to find oxidation state of an element in a compound? -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
not really but the sum of oxidation numbers of individual atoms = total charge on the compound !
Catalogs Discussion Forums -> Differential Calculus -> FTSE Question ... came in Math Subjective ... how much i cud remember -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
hey why did u integrate it from 0 to 2a ?

it should be from 0 to a ... na ?

. but then the answer comes out to be pi*a^3/3

please do correct me !! :)
Catalogs Discussion Forums -> Algebra -> infinite series -> Go to message
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ABSOLUTELY THE RIGHT WORK FRIENDS !
Catalogs Catalogs -> Physics -> HOURS OF EXPERT LECTURE !! (PCM) -> Go to message
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Catalogs Discussion Forums -> Differential Calculus -> FTSE Question ... came in Math Subjective ... how much i cud remember -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
hey but how come u have integrated from 0 to 2a ????

it should be from 0 to a na ??

.... but then the answer comes out to be pi*a^3/3 !!

whats wrong ?...
Catalogs Discussion Forums -> Mechanics -> moment of force ! -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
how is it taken for in this case ?

please !!
Catalogs Discussion Forums -> Mechanics -> moment of force ! -> Go to message
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how is the moment of forces at point B(end point of a ladder), which is in contact with the ground determined ??


 


the ladder is resting on the wall making some an angle theta with the horizontal


 


and the coefficent of friction at the wall end and the ground end is m1 and m2 respectively
Catalogs Discussion Forums -> Differential Calculus -> watz geometrical meaning of second derivative -> Go to message
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on a graph. moving from left to right ,if u are at a point from where the graph is goin down , the second order derivative of this point will be POSITIVE coz then its the highest point comparable from right and is negative if the graph has an elevation towards right !!

got it ?
Community shelf Community shelf -> very interesting........ a must read for everyone -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
good !
Catalogs Discussion Forums -> Physical Chemistry -> Which one has a higher boiling point??? n butyl alcohol or ethyl alcohol with reasons -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
NOTHIN for this !!

the reason is rite ofcourse and the answer too !
Catalogs Discussion Forums -> Physical Chemistry -> Which one has a higher boiling point??? n butyl alcohol or ethyl alcohol with reasons -> Go to message
This Post 0 points    (0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
how ??

boiling point of nBUTYL alcohol is greater than ethyl alcohol !!

the reason is well mentioned by bhaskarrya !
 
 
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