quarkine
 Name:
 neeraj
 School:
 Maths,Music and World
 About:
 i love everything around and of course the maths and physics.
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Questions Answered

ctfxcfan1:
Group Title
math question below
 updated 8 months ago
 15 replies
 1 Medal
Mathematics

TTP:
Group Title
Suppose two angles are supplementary and one of the angles measures fiftyfour degrees. What is the measure of the other angle?
nine de…
 updated 8 months ago
 13 replies
 2 Medals
Mathematics

quarkine:
Group Title
While studying the countability of sets, i came across the following problem (In Methods of Real Analysis, Goldberg) :
Show that Pn=se…
 updated 11 months ago
 8 replies
 3 Medals
Mathematics

Yahoo!:
Group Title
\[\lim_{x \rightarrow 0} ( 1+x+f(x)/x) ) ^{1/n} = e^3\] then find \[\lim_{x \rightarrow 0} \frac{ f(x) }{ x^2}\]
 updated one year ago
 16 replies
 No Medals Yet
Mathematics

quarkine:
Group Title
Are there other functions g and h ,than cosine and sine, such that
g(2x)=2g(x).h(x) and
h(2x)=h(x).h(x)g(x).g(x)
 updated one year ago
 25 replies
 1 Medal
Mathematics

Edge:
Group Title
Polygon PQRST shown below is dilated with a scale factor of 3, keeping vertex P as the center of dilation.
 updated one year ago
 19 replies
 2 Medals
Mathematics

Mieeeel:
Group Title
Proof:
cos² (a + b) + cos² (a  b) = 1 + cos 2a * cos 2b
 updated one year ago
 9 replies
 1 Medal
Mathematics

quarkine:
Group Title
Find the functions g and h such that
g(2x)=2g(x).h(x) and
h(2x)=h(x).h(x)g(x).g(x)
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

quarkine:
Group Title
Solving for a forced oscillator:
we solve for an undriven damped oscillator to get the transient part,and solve for the steady state soluti…
 updated one year ago
 4 replies
 1 Medal
Mathematics

Amateratsu:
Group Title
For the inequality y is less than or equal to negative eleven, would –11 be considered the greatest possible value or least possible value o…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

seiga:
Group Title
.
 updated one year ago
 158 replies
 13 Medals
Mathematics

stabar:
Group Title
*********FAN AND MEDAL*******
2x + 3y = 30... Find 3 diffrent combinations of x and y's solution (I already have one which is x = 6, and y …
 updated one year ago
 31 replies
 1 Medal
Mathematics

quarkine:
Group Title
what is the electric field at a point outside a hollow sphere made up of dielectric material which contain a charge at its centre (as shown …
 updated one year ago
 25 replies
 2 Medals
Mathematics

quarkine:
Group Title
When we bring charge from infinity to free space,the work done is said to be zero.but by bringing the charge we are actually creating the el…
 updated one year ago
 10 replies
 2 Medals
Mathematics

Yuii_iiamgleE:
Group Title
Write this graph?
e^((1/2)x)
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

huynguyen:
Group Title
If I have a charge outside of a metal sphere, how do I calculate the flux through the surface of the sphere? Thank you so much!
 updated one year ago
 5 replies
 2 Medals
Mathematics

UnkleRhaukus:
Group Title
are there more protons or electrons in the universe?
 updated 2 years ago
 7 replies
 2 Medals
Mathematics

ujjwal:
Group Title
A copper wire and a steel wire of same diameter and length are connected end to end and a force is applied which stretches their combined le…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

schmidtdancer:
Group Title
Find the limit. lim x>3. sqrt(x+1)/x4
 updated 2 years ago
 17 replies
 5 Medals
Mathematics

DLS:
Group Title
[Challenging Question:LVL 1:]
A bomb of mass 'm' is projected at an angle with the horizontal.It explodes in 2 fragments:m/3 and 2m/3.At ma…
 updated 2 years ago
 26 replies
 2 Medals
Mathematics

Boushra:
Group Title
If you have the acceleration of an object, how do you find the coefficient of friction that made the object's final velocity 0 m/s ? It says…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

Katelyn96:
Group Title
Thermal physics! how do you rearrange the formula (q=mc ΔT) to the temp when you have everything except for the second temp, for the ΔT?
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

ujjwal:
Group Title
Two spherical capacitors each of capacity C are charged to a potential V and V. These are then connected by means of means of fine wire. Th…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

mohamedbadr127:
Group Title
Which of the following have a largest net force?
A 1C charge exactly halfway between two 2C charges separated by 2 m.
A 1C charge a …
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

TrustfulSkepticism:
Group Title
why do i feel bad after serving up revenge, the dish best served cold, and go into a series of depression that includes, crying, & loss of i…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

ujjwal:
Group Title
If \(x^m y^n=(x+y)^{m+n}\) then dy/dx=
 updated 2 years ago
 29 replies
 2 Medals
Mathematics

Siddharth18:
Group Title
suppose a charged particle moves with a velocity v near a wire carrying an electric current.a magnetic force,therefore,acts on it.if the sam…
 updated 2 years ago
 14 replies
 1 Medal
Mathematics

anusha.p:
Group Title
void sls_store(struct address *i,struct address **star,struct address **last)
{
struct address *old,*p;
…
 updated 2 years ago
 9 replies
 2 Medals
Mathematics

khanitha:
Group Title
electric fields in the same direction get added or subtracted?
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

Ruchi.:
Group Title
two beam of equal masses m are attached by a string of length root 2a and free to move in a smooth circular ring lying in a vertical plane …
 updated 2 years ago
 7 replies
 No Medals Yet
Mathematics
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