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:
math question below
 updated 2 months ago
 15 replies
 1 Medal
Mathematics

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

quarkine:
While studying the countability of sets, i came across the following problem (In Methods of Real Analysis, Goldberg) :
Show that Pn=se…
 updated 5 months ago
 8 replies
 3 Medals
Mathematics

Yahoo!:
\[\lim_{x \rightarrow 0} ( 1+x+f(x)/x) ) ^{1/n} = e^3\] then find \[\lim_{x \rightarrow 0} \frac{ f(x) }{ x^2}\]
 updated 5 months ago
 16 replies
 No Medals Yet
Mathematics

quarkine:
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 5 months ago
 25 replies
 1 Medal
Mathematics

Edge:
Polygon PQRST shown below is dilated with a scale factor of 3, keeping vertex P as the center of dilation.
 updated 6 months ago
 19 replies
 2 Medals
Mathematics

Mieeeel:
Proof:
cos² (a + b) + cos² (a  b) = 1 + cos 2a * cos 2b
 updated 6 months ago
 9 replies
 1 Medal
Mathematics

quarkine:
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 6 months ago
 1 reply
 No Medals Yet
Mathematics

quarkine:
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 8 months ago
 4 replies
 1 Medal
Mathematics

Amateratsu:
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 8 months ago
 2 replies
 No Medals Yet
Mathematics

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

stabar:
*********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:
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:
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 8 months ago
 10 replies
 2 Medals
Mathematics

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

huynguyen:
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:
are there more protons or electrons in the universe?
 updated one year ago
 7 replies
 2 Medals
Mathematics

ujjwal:
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 one year ago
 6 replies
 1 Medal
Mathematics

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

DLS:
[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 one year ago
 26 replies
 2 Medals
Mathematics

Boushra:
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 one year ago
 3 replies
 No Medals Yet
Mathematics

Katelyn96:
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 one year ago
 1 reply
 No Medals Yet
Mathematics

ujjwal:
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 one year ago
 4 replies
 No Medals Yet
Mathematics

mohamedbadr127:
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 one year ago
 1 reply
 No Medals Yet
Mathematics

TrustfulSkepticism:
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 one year ago
 1 reply
 No Medals Yet
Mathematics

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

Siddharth18:
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 one year ago
 14 replies
 1 Medal
Mathematics

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

khanitha:
electric fields in the same direction get added or subtracted?
 updated one year ago
 3 replies
 1 Medal
Mathematics

Ruchi.:
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 one year ago
 7 replies
 No Medals Yet
Mathematics
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