Science & Mathematics - 10 December 2006

2006-12-10 22:45:41 · 5 answers · asked by Daugz 2 in Chemistry

From Archimedes' principle, we know that buoyancy of a liquid is inversely related to mass of the liquid displaced. But the formula for force is mass*acceleration which makes force directly related to mass. Since buoyancy is also a force, this is confusing. Can someone please give an explanation for this?

2006-12-10 22:44:37 · 5 answers · asked by Bezoar 2 in Physics

ex. of mechanisms, fuel pump & the heart

2006-12-10 22:44:18 · 4 answers · asked by Shaina A 1 in Engineering

1) Amy, Brian, Cheryl, Danny and Eric went to a concert. How many arrangements are possible when they sit in five adjacent seats if Brian refuses to sit next to Danny?

The answer is 72.

2006-12-10 22:43:49 · 2 answers · asked by Anonymous in Mathematics

Is it some kind of guideline for texture just like Pantone for color standard?

2006-12-10 22:32:25 · 1 answers · asked by Ada Y 1 in Engineering

simple

2006-12-10 22:31:35 · 2 answers · asked by javavall2003 1 in Mathematics

2006-12-10 22:27:17 · 6 answers · asked by Dside666 2 in Mathematics

2006-12-10 22:26:35 · 4 answers · asked by darna 1 in Medicine

What household objects contain oxygen?

2006-12-10 22:23:57 · 3 answers · asked by Daugz 2 in Chemistry

2006-12-10 22:23:17 · 6 answers · asked by meenakshi j 1 in Mathematics

In length

Ruler, meter stick or tape measurer?

In mass

Clinical weighing scale or Ordinary Weighing Scale?

In time

Wrist watch or Stop Watch?

2006-12-10 22:17:29 · 3 answers · asked by Samlovesjesea 1 in Physics

2006-12-10 22:17:15 · 7 answers · asked by Dside666 2 in Mathematics

doctor described i am having sinusitis. my mother told me we use to have small cavity like thing in our bones, in which if lymph comes and settles there it is known as sinus. some others in my school say it it related to the lymphatic gland which gets collected in the heart at sinoatrial node. which is actually right give me a right suggestion please

2006-12-10 22:13:52 · 13 answers · asked by anusha 1 in Medicine

A human tissue cell has a diameter of the order 1.0 micrometer. Assuming each cell occupies a cube of 1.0 micrometer on one side; estimate the number of cells in .5 cubic centimeter of tissue

2006-12-10 22:12:35 · 1 answers · asked by Samlovesjesea 1 in Mathematics

Is it okey to use a kind of basting for a Cast Aluminium part as a finished surface instead of painting?

2006-12-10 22:12:32 · 2 answers · asked by ARASH R 1 in Engineering

1) Amy, Brian, Cheryl, Danny and Eric went to a concert. How many arrangements are possible when they sit in five adjacent seats if Brian refuses to sit next to Danny?


2) At an art exhibition 7 paintings are to be hung in a row along one wall. Given that 3 paintings are by the same artist, find the number of arrangments in which any one of these paintings is hung at the begining of the row but neither of the other 2 is hung at the end of the row.

Please explain clearly.

2006-12-10 22:07:43 · 3 answers · asked by Anonymous in Mathematics

2006-12-10 22:04:56 · 4 answers · asked by rhiju_talukdar 1 in Earth Sciences & Geology

:) thanks... =)

2006-12-10 22:04:51 · 3 answers · asked by Misa 1 in Physics

...and drop an object through it, what happens in relation to gravity? Does the object get half way, then fall the other way - or reach a point where it endlessly goes back and forth?

2006-12-10 22:00:19 · 17 answers · asked by geefunken 2 in Physics

Is here any rational basis for the creationist theory beside the bible? wake up to yourselves!!!!!

2006-12-10 21:59:03 · 8 answers · asked by gun_woop_woop 1 in Biology

why is a jeepney of mass 2000kg more difficult to stop than a tricycle of mass 1000 kg when both are traveling at the same initial speed. its a practical question, but answer it scientifically (physics) :)

2006-12-10 21:57:12 · 4 answers · asked by Misa 1 in Physics

2006-12-10 21:50:52 · 6 answers · asked by samarth B 1 in Engineering

HOW AWESOME?

2006-12-10 21:50:51 · 4 answers · asked by keig 2 in Astronomy & Space

Hi I just entered University this year as an undergraduate and am quite lost in what careers to pursue especially in the scientific circle. I am very good at mathematics, and chemistry, perhaps physics too but I haven't tried. I am good in Analytical and Pure Math specifically and was wondering what subjects were required to get a Major in Math, and was wondering what types of job I would be able to find with mathematics majors.Should I just concentrate on Mathematics or take some science courses too and at the same time pusue for a Bachelor of Science

2006-12-10 21:49:58 · 3 answers · asked by Zidane 3 in Mathematics

Question:
What is the equation of the curve y = 1/x + x rotated 3π/8 radians clockwise about the pole (Polar coordinates).

x = r cos Θ
y = r sin Θ
r = √(x² + y²)
Θ = arctan (y/x)

^_^

2006-12-10 21:48:34 · 2 answers · asked by kevin! 5 in Mathematics

2006-12-10 21:45:17 · 2 answers · asked by amjad a 1 in Chemistry

Listen to this very carefully!!This is about Radioactivity

A radioisotope decays by alpha emittion. Now these alpha particles contain 2 protons and 2 neutrons as we all know...(this is why we call them helium nuclei) BUT if the Nuclei that emits it was neutral before, and had lost two protons and 2 neutrons by emittion...What happened to the electrons in the atom? If beta is not emitted as well, it should remain in its place in the parent atom(that emits) and cause it to have a Negative Charge after the emittion!!! Am i Right??

2006-12-10 21:44:51 · 6 answers · asked by Fahd 2 in Physics

i already ask this before but it made me more confuse, because she put an F and an M refering to sexuality as in male and female.

2006-12-10 21:44:50 · 2 answers · asked by Stephen R 1 in Botany

I have seen that some people on yahoo answers use math signs and tools not available to normal keyborads, is thre some update you are able to download for yahoo asnwers that allows you to use infinity signs, limits, derivatives, ect.

2006-12-10 21:41:42 · 5 answers · asked by Zidane 3 in Mathematics

Any number having any power (>1)can be expressed as difference of two perfect coprime squares.
can this be used successfully to prove that the diophantine equation
x^(m) = a^(n) - b^(n)
has no coprime solutions for x,a & b when m>2 & n>2.
here m =/= n.

2006-12-10 21:40:05 · 2 answers · asked by rajesh bhowmick 2 in Mathematics