Science & Mathematics - 11 December 2006

whats in the salt that makes you float?

2006-12-11 16:49:01 · 9 answers · asked by bunnys'r'cute 2 in Other - Science

Mary's father has five daughters: 1. Nana, 2. Nene, 3. Nini, 4. Nono.
What is the name of the fifth daughter?

2006-12-11 16:48:38 · 22 answers · asked by Anonymous in Mathematics

Is that possible? If so, PLEASE tell me how.

In other words, how do you find the coefficient of friction in a certain situation (provided that you do not know the force of friction, only the mass)???

Any help is appreciated... ASAP

2006-12-11 16:45:34 · 5 answers · asked by abc123 1 in Physics

2006-12-11 16:44:45 · 7 answers · asked by natedogdoggy@sbcglobal.net 1 in Astronomy & Space

Is this supposed to be mostly rote memory or what?

I can link and make sense of some info when getting down to memorizing drug facts, but some of these side effects bother me since they apply to all body systems and that seems like a overload!

2006-12-11 16:44:25 · 7 answers · asked by summation 2 in Medicine

2006-12-11 16:42:56 · 5 answers · asked by Jennifer K 1 in Weather

Can someone who knows about telescopes look at this & give me their advice. This looks like a great telescope (5.1) goto for $159!?

It is a Meade, which is a good brand. Is it possible they made a cheapo version?? I mean if it's 5.1 and it's a Meade doesn't it mean it's a very good telescope? It does have a scratch or dent... do you think it is that that drove the price way down?

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=015&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=250058006838&rd=1&rd=1

It's not that "impressive" looking or pretty, however, it is a lot cheaper than the Starseeker I was going to pluck down $389 for the same 'stats' but is a bit "prettier".

Here's the StarSeeker... both are 130mm goto's, big difference in price... am I missing something? Maybe cuz it's discontinued?

https://www.oriontel.com/jump.jsp?itemID=256410&itemType=PRODUCT

Racking my brain here... I'm not sure my son is going to take this thing outside more than 4x a year.

2006-12-11 16:40:29 · 2 answers · asked by Genie♥Angel 5 in Astronomy & Space

2006-12-11 16:40:15 · 7 answers · asked by utopiafourteen 2 in Physics

a) The shape and function of a protein is determined by the sequence of amino acids along the chain



b) The sequence of amino acids that make up a protein are known as the tertiary structure of the protein



c) Proteins are long complex molecules that have no regular structure. Even the presence of hydrogen
bonds is not enough to introduce structure



d) The primary structure of different protein molecules is created by hydrogen bonds between
an amine group on one molecule and a lone pair of electrons on an oxygen molecule in an adjacent protein



e) One type of secondary structure found in proteins is α-helix



f) The structrure of a protein that results from only hydrogen bonding between the side
chains of the different amino acids is called the tertiary structure

2006-12-11 16:39:43 · 2 answers · asked by purple222 2 in Chemistry

2006-12-11 16:36:55 · 2 answers · asked by ferysurfboy 1 in Astronomy & Space

Using the following data:
The volume of a sphere = (4/3) (pi)R 3
Radius of the earth= 6.3×106 m.
Mass of earth= 5.9742 × 10 24 kilograms

2006-12-11 16:36:35 · 2 answers · asked by xyre_cool 1 in Astronomy & Space

The speed of light is 3 x 10 8 meters/second. If the sun is 1.5x 1011 meters from earth, how many seconds does it take light to reach the Earth. Express your answer in scientific notation

2006-12-11 16:35:48 · 5 answers · asked by xyre_cool 1 in Astronomy & Space

help?!

2006-12-11 16:34:54 · 10 answers · asked by :) 2 in Biology

2006-12-11 16:31:59 · 8 answers · asked by steve m 1 in Astronomy & Space

The ice skater's record was 500 m with an average of 12.92 m/s. Suppose she crossed a finish line at this speed and came to a stop. If the work done by friction over a certain distance was -2830 J, what would her kinetic energy be, assuming her mass is 55 kg.

2006-12-11 16:29:51 · 2 answers · asked by maggie 1 in Physics

A rocket is launched at an angle of 42 degrees above
the horizontal with an initial speed of 77 m/s,
as shown. It moves for 28 s along its initial

line of motion with an overall acceleration of
25 m/s2. At this time its engines fail and therocket proceeds to move as a free body.
The acceleration of gravity is 9.81 m/s2 :

a) What is the rocket's maximum altitude?
Answer in units of m.

b)What is the rocket's total time of flight?
Answer in units of s.

c) What is the rocket's horizontal range? An-
swer in units of m.

2006-12-11 16:29:44 · 9 answers · asked by TheThing 2 in Physics

cant think of another general argument pro stem cell research, I need three.

Argument 1. Why Embryonic stemcells are not human.
Argument 2. Why Embryonic stem cells are superior to adult stem cells.
Argument 3.???

2006-12-11 16:28:34 · 5 answers · asked by Hi My Name is 2 in Medicine

The mouth is the first site of chemical digestion in a human. Your saliva starts the process of breaking down the food you eat. Keeping this information in mind, which organelle do you think would be numerous inside the cells of your mouth?

2006-12-11 16:28:08 · 10 answers · asked by Anonymous in Biology

Is the cheek cell a eukaryote or prokaryote? How do you know?

2006-12-11 16:27:32 · 9 answers · asked by Anonymous in Biology

2006-12-11 16:27:17 · 5 answers · asked by mrs.clemmons 1 in Biology

Question1: when I have a moecular compound like "gallium oxide" I would write "GaO4" right?

Question2: if the compound was "calcium sulfate" would I write "Ca(SO4)2" ?

2006-12-11 16:25:22 · 4 answers · asked by Bo 3 in Chemistry

2006-12-11 16:25:09 · 2 answers · asked by Anonymous in Zoology

2006-12-11 16:24:30 · 2 answers · asked by Anonymous in Astronomy & Space

Like flying a supersonic airplane through the sound barrier.

2006-12-11 16:24:23 · 6 answers · asked by Anonymous in Astronomy & Space

How many molecules of ATP are produced in aerobic cellular respiration? My teacher and textbook say 38, but some other sources say 36.

2006-12-11 16:24:17 · 8 answers · asked by Anonymous in Biology

I have to write a paper for Physics and I'm completely stuck!!!

2006-12-11 16:23:32 · 9 answers · asked by pswb6002 1 in Physics

is it animal, plant, or bacterial cells?

also, what is unique about animal cells?

2006-12-11 16:17:13 · 6 answers · asked by :) 2 in Biology

Suppose that there are great economic benefits from transgenic crops, including improved nutrition, longer life spans, reduced infant morality, and the like. But also assume that there are some modest potential environmental costs, for example, in the form of some species that are made extinct.

2006-12-11 16:17:09 · 3 answers · asked by Swan S 1 in Botany

2006-12-11 16:15:36 · 6 answers · asked by Smiley :D 1 in Biology

was it radium uranium or stronium? plz rply me on
abbas.hh@gmail.com

2006-12-11 16:10:23 · 2 answers · asked by AH Hamid 1 in Chemistry