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Catalogs Discussion Forums -> Mechanics -> problem -> Go to message
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3 replies   
but this is a problem from irodov
they gave an exact answer a wave equation in terms of K`, w`
Catalogs Discussion Forums -> Integral Calculus -> IF -> Go to message
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1 replies   
Integrating factor of dy/dx + (1/x)tany= (1/x2)tanysiny is________
please work it out for me
Catalogs Discussion Forums -> Algebra -> Cos algebra -> Go to message
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2 replies   
If the value of (x2+x-1)/(x2+x+1) is in the form 2cos2 where 0<=<= then
lies in the interval
 
a)[pi/4, 3pi/4]
b)[pi/3, 2pi/3]
c)[pi/6, 5pi/6]
d)[0,pi/2]
 
 
kindly explain soon
Community shelf Community shelf -> Expert Synopsis of IIT-JEE 2007 -> Go to message
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53 replies   
ur absolutely right iithopeful absolutely
Catalogs Discussion Forums -> Organic Chemistry -> CMe3CBr -> Go to message
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3 replies   
(CMe3)CBr + H2O gives (CMe3)COH +HBr
This reaction is an example of nucleophilic substitution but not free radical substitution but why
 
 
 
also
 
Is  K2CO3 not a source of CO2 in submarines
soon pleas
Catalogs Discussion Forums -> Non IIT Institutes -> aieee sample paper -> Go to message
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267 replies   
please send it to teja2389@yahoo.com
Catalogs Discussion Forums -> Mechanics -> problem -> Go to message
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3 replies   
sudeep sir please answer this one
Catalogs Discussion Forums -> Physical Chemistry -> entroopy -> Go to message
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1 replies   
IS decrease in entropy as gas condenses into liq more or liquid solidifies into soild more
pleasde explain
Catalogs Discussion Forums -> Physical Chemistry -> r And R -> Go to message
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1 replies   
If the radius of octahedral void is  r and radius of the atoms in close packing is R derive the relation between r and R
Catalogs Discussion Forums -> Physical Chemistry -> NaCl -> Go to message
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KF has NaCl structure. What is the distance between K+ anf F- in KF is the density is 2.48g/cc?
fast
Catalogs Discussion Forums -> Mechanics -> waves -> Go to message
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A longitudinal standing wave y=acoskxcoswt is maintained in a homogeneous medium of density d Find theexpression for space density of
a)potential energy Ep (x,t)
b)kinetic energy Ek (x,t) 
Catalogs Discussion Forums -> Mechanics -> demons -> Go to message
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Demonstrate that any differentiable function f(t+ax), where a is a constant provides a solution of wave equation. what is the physical meaning of thwe constant a
 
Catalogs Discussion Forums -> Mechanics -> problem -> Go to message
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A plane elastic wave y=acos(wt-kx) propagates in a medium K find the equation of this wave in a reference frame K' moving in the positive direction of the x axis with a constant velocity V relative to the medium K
please explain 
Catalogs Discussion Forums -> Integral Calculus -> p+ -> Go to message
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3 replies   
understood
Catalogs Discussion Forums -> Algebra -> If -> Go to message
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If a,b,c are +ve integers and if roots of eqn ax2-bx+c=0 lie in (0,1) and min value of a is K1, min value of b is k2 min value of c is k3 then k1+k2+k3=...........
 
 
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