Science & Mathematics - 9 January 2007

how do you find the mass, weight and gravity on diff. planets?? PLEASE HELP ME!!!

2007-01-09 11:27:53 · 1 answers · asked by Italia 1 in Chemistry

i'm not talking about everyday use i'm talking about only occasionally as in once or twice a month

2007-01-09 11:27:48 · 11 answers · asked by Anonymous in Medicine

2007-01-09 11:27:48 · 5 answers · asked by Anonymous in Earth Sciences & Geology

2007-01-09 11:27:34 · 8 answers · asked by ashley f 1 in Mathematics

Hi,

Consider the four charges in the diagram below, in which d = 4.8 cm and q2 = +2 nC. The net force on the 1 nC charge is zero. What is q1?

Here's the figure: http://i137.photobucket.com/albums/q208/infinitbelt/p25-49.gif


I am confused that the net force is 0. Does that make the charge 0?


Thanks!

2007-01-09 11:27:34 · 2 answers · asked by Anonymous in Physics

The solution is supposed to be an inequality.

2007-01-09 11:27:32 · 1 answers · asked by choddy 1 in Mathematics

2007-01-09 11:27:17 · 4 answers · asked by Right here Right now 1 in Zoology

the kind of facts: the name of moons,etc,etc, and etc

2007-01-09 11:26:25 · 5 answers · asked by Anonymous in Astronomy & Space

I am going to UCLA next year and was wandering which major is best for med-school or is looked at as impressive.
-Microbiology
-Neurobiology
-Biochemistry
-Genetics Biology
-Cell, molecular biology

which of these majors do you think is important and impressive for med school to major on?

2007-01-09 11:25:53 · 7 answers · asked by Anonymous in Biology

My daughter has math homework that involves 3 numbers inside of a triangle. She is suppose to learn the subtraction fact for these triangles. How is this done?

2007-01-09 11:24:15 · 3 answers · asked by i_squeeze 1 in Mathematics

If you know the Circumference?

2007-01-09 11:23:50 · 3 answers · asked by youronmyfoot 2 in Mathematics

Is it possible to milk a millipede... ????

2007-01-09 11:23:29 · 9 answers · asked by pop c 2 in Zoology

magnesium ribbon + hcl 6 mol/L
+ h2so4 3 mol/L
+ ch3cooh 6 mol/L

Can you explain in terms of dissociation, and wat not.
Also, how would I find the rate from the rate law for each reaction.

*we used a calibrated gas collection tube to measure the h2 released --> my results: hcl fastest....

2007-01-09 11:21:56 · 2 answers · asked by chemistry 1 in Chemistry

2007-01-09 11:20:29 · 3 answers · asked by loveXmyXbloodyXtears 1 in Mathematics

2007-01-09 11:20:01 · 4 answers · asked by amar 2 in Biology

Does cotransport include antiport? I know it includes symport (2 solutes moving one way) but is antiport (2 solutes moving opposite directions) also part of cotransport??

2007-01-09 11:19:23 · 2 answers · asked by Anonymous in Biology

2007-01-09 11:19:16 · 6 answers · asked by Cutie 4 in Mathematics

ok so im in ap biology right now and i need major help with cell respiration!! we did a lab on it..the typical AP lab and i need to write a lab write up and one of the questions is WHat other organism/plant could you that germinates and doesnt germinate in place of the germinating peas? .....idk!! =( i have no clue...any help anyone?? long explanations would be helpful..and if someone can explain the lab to me that would be AMAZINGGGG!! thanks for all your help in advance.

2007-01-09 11:19:10 · 4 answers · asked by Anonymous in Botany

By cell i mean a cell in your body.

2007-01-09 11:14:13 · 6 answers · asked by vadiso 1 in Biology

now i dont mean dinosaurs or anything I mean a cast iron civilisation

2007-01-09 11:13:53 · 13 answers · asked by the_sheik_of_sheet_lightning 3 in Astronomy & Space

It is the year 2047. The planet Earth has been visited by extra terrestrial beings. They wish to peacefully live among humans, but they are having difficulty adapting to our units of measure. Instead od measuring time in seconds minutes and hours, they use alphas betas a gammas. Instead of using inches feet and miles they use deltas zetas and thetas. Your job in this furtiistic society is to act as an inter galactic public relations ambassador. Because of your extensive mathmatical education, your task at hand is to help out visitors in converting out units into theirs and vice versa.

Time units
1 beta= 50 alphas
1 gamma=50 betas
1 minute=1.5 betas

Length units
1 zeta=15 deltas
5000 zetas=1 theta
1 foot=0.7 zetas
1 mile=5280 feet
1 kilometer= 0.625 miles

convert the following-show work

1. 60 miles per hour to thetas per gamma
2.100 thetas per gamme to miles per hour
3. 50 thetas per gamme to kilometers per hour
4. 25 feet per second to thetas per gamma

2007-01-09 11:12:43 · 11 answers · asked by molly m 1 in Mathematics

A) ADP
B) ATP
C) NADPH
D) Glucose
E) starch

2007-01-09 11:11:03 · 3 answers · asked by Anonymous in Biology

2007-01-09 11:10:53 · 3 answers · asked by Right here Right now 1 in Botany

1. A potential difference of 1.5 volts occurs in most batteries. If the current produced is 12 amps. What is the resistance?
2. A potential difference of 12 V resulted when a charge of 600 ohms was placed on a terminal. What is the resistance?
3. What is the resistance of a light bulb if 2.4 A runs through it when 12 V is placed across the bulb?
4. What is the potential difference of a water heater element with a resistance of 32 ohms when the current is 6.8 A?
5. If 42 Amps places 7 ohms resistance on a terminal in a battery. What is the potential difference?
7: Voltage Current Resistance
20 V 4 A
120 V 15 OHMS
0.5 A 16 OHMS
10 V 400 MA
0.3 A 20 OHMS

2007-01-09 11:10:52 · 5 answers · asked by Anonymous in Physics

Calculate the molarity of a hypobromide solution if 10.00 mL of the OBr^1- (aq) solution requires 3.52 mg of ammonia for a complete reaction.

2 NH3 (aq) + 3 OBr^1- (aq) --> N2 (g) + 3 Br^1-(aq) +3 H2O.

And why is it called hypobromite?

Thanks!

2007-01-09 11:10:50 · 1 answers · asked by Anonymous in Chemistry

|2x|=8

|5y-2|=7

|c-3|<1

3-2r|>7

|2g-5|≥9

2007-01-09 11:07:15 · 6 answers · asked by Anonymous in Mathematics

Could you not go faster than light to see it exploding again as you travelled faster than the light from the explosion to another place in space

2007-01-09 11:06:51 · 5 answers · asked by the_sheik_of_sheet_lightning 3 in Astronomy & Space

show work

2007-01-09 11:06:21 · 11 answers · asked by Latinballa 1 in Engineering

2007-01-09 11:06:19 · 9 answers · asked by Anonymous in Physics

A friend of mine brought to my attention that during a heart attact, the doctor pays more attention to the heart over the brain. Why, when the brain runs the heart...or does the heart do the brain..what ever the case. But again, "why does the brain have to die when it doesn't have to?

2007-01-09 11:06:17 · 6 answers · asked by Anonymous in Medicine