Science & Mathematics - 16 October 2006

what r the factors that contribute to the bacterial growth and wat r the effects of it... for ex) temp, pH wat happenes with it??

2006-10-16 11:45:55 · 3 answers · asked by Anonymous in Biology

Okay, so lets say that there is a train. One person is standing in the train, and another is outside looking in. The person in the train has a ball and a flashlight. We know that relative to the person standin on the ground, that the ball is traveling whatever speed the ball was thrown plus the speed of the train. We also know that if the person in the train turns on the flashlight, the light is still going 299,792,458 meters per second relative to the person on the ground. So, here is my question: Somehow, we get the train to go at half the speed of light. If the person on the train could somehow throw the ball at half the speed of light, wouldn't the ball be going AT the speed of light, and be breaking the laws of physics? If the ball COULD in fact go that fast, would IT itself BECOME light? Thoughts?

2006-10-16 11:43:38 · 12 answers · asked by aggies_2011 2 in Physics

i need an answer now please

2006-10-16 11:41:01 · 7 answers · asked by Anonymous in Other - Science

I am doing an experiment about the differences and results of different inorganic plant fertilizer brands on Blue Lake Pole Beans. I was wondering if anyone had done this experiment or has known someone or a source that has the information accesible via the internet. I want to see some ideas on how the experiment was completed, so mine may be performed better.

2006-10-16 11:40:46 · 1 answers · asked by Brian 4 in Botany

Examples: Cl 99 ppm and Cl- 181 pm; O 73 pm and O2- 140 pm

2006-10-16 11:39:58 · 3 answers · asked by bebeeangeldust 4 in Chemistry

I am scared about it. I have night mares and stuff

2006-10-16 11:38:26 · 12 answers · asked by Adam D 1 in Other - Science

"Best Answer" will be awarded.

Polycillin - N (powder) equivalent to 1 G Ampicillin
reconstitute:
Diluent: 100 ml = 1 G in 100 ml = 10 mg/ml
Diluent 50 ml = 1 G in 50 ml = 20 mg/ml

Order: Polycillin-M 300 mg IV PB q 6h in 50 ml D5W
Reconstitute with ____________ ml diluent and give ___________ ml.

2006-10-16 11:36:31 · 1 answers · asked by Bear 5 in Medicine

Glass A is x% full of water, glass B is y% full of wine. If a tablespoon of water is taken from glass A and mixed with the wine in glass B, and then a tablespoon of the water-wine mixture in glass B is mixed with water in glass A, then in terms of x and y what percent of the water-wine mixture in glass A is water?

2006-10-16 11:36:20 · 4 answers · asked by Anonymous in Mathematics

A 9.5 kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 85 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest point on the circle, it has a speed of 2.2 m/s.

(a) Find the magnitude of the centripetal force acting on the monkey.
N
(b) Find the magnitude of the tension in the monkey's arm.
N

I got part A right with 54.1

Now for part b, I did 54.1^2 + 93.1^2 (I got that number from 9.5 * 9.8) = T^2 but that is wrong.. what is the correct way to do part b?

2006-10-16 11:33:50 · 2 answers · asked by Confused 1 in Physics

can someone explain how different objects have different amount of gravitayional force.use objects you know of to help me understand

2006-10-16 11:33:11 · 5 answers · asked by kh2anime 1 in Physics

Mr.Brierson sold $7,300 worth of merchandise at a 12% commision. Find the amonut of commision?

2006-10-16 11:32:58 · 6 answers · asked by Caroline M 2 in Mathematics

2006-10-16 11:28:11 · 7 answers · asked by ryan 1 in Physics

I want something to do with plants, and nothing boring.

2006-10-16 11:27:35 · 7 answers · asked by Anonymous in Other - Science

Determine the standard form of the equation of a circle with a center at (4,-1) and passing through (0,2).

So I have (x-4)^2 + (y+1)^2 = ?
I don't know what to put for the ? or how to figure it out.

2006-10-16 11:23:09 · 3 answers · asked by gg 4 in Mathematics

2006-10-16 11:22:43 · 8 answers · asked by vf 1 in Weather

How do I find all the solutions in between [0, 2pi)??

2006-10-16 11:21:03 · 3 answers · asked by Robyn M 1 in Mathematics

Lower high school or upper middle school level please.

2006-10-16 11:16:48 · 2 answers · asked by Anonymous in Chemistry

It's for my marine science class

2006-10-16 11:09:33 · 3 answers · asked by czrl 2 in Other - Science

we are made out of cells
our cells are made out of cells
those cells are made out of cells
what makes all those cells? i heard germs but idk

2006-10-16 10:30:27 · 2 answers · asked by seb. 4 in Other - Science

2006-10-16 10:29:55 · 5 answers · asked by Beavis 1 in Physics

Has has not yet seen those silly documentaries doubting that the astronauts landed on the moon and presenting us with stupid "theories" ?! Who believes the astronauts REALLY landed ont he moon and who believes it was all an hoax ? I HAVE ABSOLUTELY NO DOUBT THAT THE LANDINGS WERE REAL. I would be interested in all your views on this. Thanks.

2006-10-16 10:27:46 · 19 answers · asked by RED-CHROME 6 in Other - Science

I was petting a milk snake at the zoo, and it felt slimy. i thought reptiles were usually dry and scaly and amphibians are the slimy ones

2006-10-16 10:25:50 · 7 answers · asked by Anonymous in Zoology

A rock dropped on the moon will increase its speed from 0 m/s (its starting speed when first dropped) to 4.9 m/s in about 3 seconds. What value do you calculate for the acceleration of gravity on the moon?

A. 4.9 m/s2 up
B. 1.63 m/s2 down
C. 9.8 m/s2 down
D. 14.7 m/s2 up

2006-10-16 10:23:39 · 3 answers · asked by bombshellimage 1 in Physics

2006-10-16 10:23:17 · 9 answers · asked by Anonymous in Mathematics

Rember the one with all the planets hanging from the top of the box and you painted the box black on the inside. I forget how to do it and I want my son to be able to do it like I did when I was young.Help!!!!

2006-10-16 10:23:09 · 3 answers · asked by Dino C 1 in Astronomy & Space

2006-10-16 10:22:42 · 19 answers · asked by maghlena 1 in Astronomy & Space

Hydrogen is the most abundant but what's the 2nd?

2006-10-16 10:22:31 · 7 answers · asked by Pablo M 2 in Astronomy & Space

I am working on a project and it has been a while since I took stats. I am comparing drop out and retention rates among a particular group of students, before and after the implementation of new lesson plans/curriculum, to determine if the new curriculum made a difference. I'm supposed to use a two-tailed test since I don't know which direction the results will go in, right? (Obvioulsy I don't know for sure!) Also would I be using a z-test, t-test, chi square! I just don't remember anything about this and it's not my expertise!

2006-10-16 10:20:39 · 1 answers · asked by MorningStar 2 in Mathematics

Ted is putting up wallpaper in his bedroom. He is putting animal decals along the top border of the paper. The paper is 24 inches wide and each decal is 5 inches wide. If he begins with both paper and decals in one corner of the room, at what distance from the corner will the paper and decals first end at the same spot?

2006-10-16 10:19:52 · 4 answers · asked by crash 3 in Mathematics

2006-10-16 10:15:36 · 6 answers · asked by Anonymous in Other - Science