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Catalogs Discussion Forums -> Electricity -> electrostatics -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
well, there will be force on q1.....
because ....
the sphere and the the charge outside it will repel...........true
now as the sphere moves in -ve direction the charge inside it will not be symmetric................
so by method of images there will be force on the charge q !!!!!!!!!
u can even consider the system of say........
metallic sphere(sphere do not hve charge) has a charge inside it then also charge will expierence force..............
and it goes by the method of images..........
u can also use by electric field lines............
so my dear friend the charge will expiernce the force.......
Catalogs Discussion Forums -> Counselling Zone -> a suicide waitin 4 me..plz chk it -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
and i knw u for last 1 yr nd so.......i thnk u need to go to psychiatrist
and ????????
Catalogs Discussion Forums -> Counselling Zone -> a suicide waitin 4 me..plz chk it -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
u dont hve any oder issue in life man..........
hve u met or seen any one over here who r de any how is the person n al.......
aur yeh sab kya chalu hai .ill commit suicide bcoz here every1 make friend seeing ur alti........i mean r u so imature and ....i mean 1st april ko abhi time hai!!!!!!!!
in any case if u get into iit plzzz dont take any admission ova der.......u wont b able 2 live der!!!!!!!
??????????
and in any case its a forum to clear ur iit doubts and not 2 mke friends and solve ur stupid emotional issues....

get life broder..........
Catalogs Discussion Forums -> Organic Chemistry -> organic chemistry -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
rco+ wen it is R3C-CO Cl then it gives R3C+

otherwise all other acid chloride gives d former electrophile
Catalogs Discussion Forums -> Mechanics -> Fiitjee Aits = The Cranky Passage -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
hm.sorry for late reply anyways..
take any general time "t" such dat angle rotated is t
 
find the vel.. of point a ...which is WR
 
since the rod is rigid vel.. of a along the rod is same as the velocity of point B(attached to the block)
 
find the angle between the rod at b and the line joining the centre of the disc....
 
so vel of B=WR sin(90-Wt-Q)
 
since they hve given dat l >>> R
 
sinQ= rsinWt/l = tanQ = Q
 
so u get thew ans
phew!!!!!
Catalogs Discussion Forums -> Mechanics -> Fiitjee Aits = The Cranky Passage -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
so broder do u need d solution or not lemme knw!!
Catalogs Discussion Forums -> Coaching Institutes & Course Material -> How was full test 5, fiitjee -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
268
phy-115
math--90
chem-73
Catalogs Discussion Forums -> Optics -> spherical drop -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
ma pleasure
Catalogs Discussion Forums -> Optics -> spherical drop -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
ahh..ma scanner not working but still ill try to help...
tak a ray is incident on the drop and the refracted ray join dem and use the exterior angle thereom to find deviation ....likewise for reflected ray bcoz dats quite obvious dat of 180-2r and again wen ray emerges u join dem and find d deviation....

hope its clear....
ill postit in night .......wid diagram
Catalogs Discussion Forums -> Differential Calculus -> functions -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
(-10,0) multiply and divide by 5
Catalogs Discussion Forums -> Optics -> spherical drop -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
deviation is given by i-r +i-r +180-2r
Catalogs Discussion Forums -> Magnetism -> rewards for the brave!!!!!!20 nickels for sure!!! -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
source ...its dc pandey i crossed checked it.....anyways if its challenge then its not worth it if its a dooubt then lemme knw ill post the solution

i dont want rates!:)
Catalogs Discussion Forums -> Lounge -> FIITJEE AITS 2 -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
GUYS POST UR MARKS HOW MUCH UR GETTING
MINE IS  205
Catalogs Discussion Forums -> Magnetism -> rewards for the brave!!!!!!20 nickels for sure!!! -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
is it zero as i think induced electric field willl be perpendicular to each element of rod.....so induced emf will be zero....
not sure though!
Catalogs Discussion Forums -> Mechanics -> doubt.//./../ -> Go to message
This Post 5 points    (Olaaa!! Perrrfect answer.   in 1 votes )   [?]
MU^3/FU
 
FU.....is icross product.....and it is in modulus..
m-mass
u-velocity
f-force acting on it
....
there is also differential equation
Catalogs Discussion Forums -> Mechanics -> Centre of mass: Verma - Kartik or waterdemon plz help -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
rooney is correct ......cart will finally move to the left .....
Catalogs Discussion Forums -> Mechanics -> Challenge -> Go to message
This Post 12 points    (Olaaa!! Perrrfect answer.   in 3 votes )   [?]
consider the fraction 2 be N.....then the right half part will have wieght N/2MG....(m-mass of rope)...
the weight of the fraction will be balance by the tension acting on it....which is given by......
TSIN(THETA)=N/2MG.........1

the weight on the right half part on the plane hve mass (1-n)mg/2
the frictional force will be.....(1-n)mg/2cos(theta)
therefore equation for equilibrium will be,,,,,,,
(1-n)(m/2)gsin(theta)+T=frictional force......

differentiate it to get max value of theta....which is 22.5
we get N=3-2root2....
Catalogs Discussion Forums -> Electricity -> infinite grid ....... -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
on each side of square take a resistance X which is also equal to final resistance
so we get ... 3 resistance 3RX/(R+X) parralel to R (b/W A and B).
equation will b...
(R+X)/3RX+1/R=1/X..........

solving it we get X=R/2
Catalogs Discussion Forums -> Magnetism -> Magnetics -> Go to message
This Post 2 points    (Olaaa!! Perrrfect answer.   in 1 votes )   [?]
wat prob ur facing .............put it here try to help it...........
any way
if u want it ..then
find force in x-y dir....
electron will perform cycloid motion so its asking wen it will reach ymax........
it will reach at time "t"=pie/omega
hope uit ill help
Catalogs Discussion Forums -> Electricity -> capacitors -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
for 1st 2 cases.....other non switched plate dosent interfere hence it is isolated
for 3rd case find the charge on the capacitors by using the general method.......
1) 2) 3) r korrect
 
 
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