Science & Mathematics - 12 September 2007

2007-09-12 05:53:18 · 3 answers · asked by helpandseek 2 in Earth Sciences & Geology

Can the average velocity of a particle be zero over a given time interval if it is not zero over a shorter time? Explain.

2007-09-12 05:52:58 · 12 answers · asked by t_steckbeck 1 in Physics

I'm intrested in exploring the stars, but I have no knowledge of telescopes. Since is my first time, I'm trying to buy something below $400 and easy to use. Can anybody help?

2007-09-12 05:48:31 · 6 answers · asked by s7even11 1 in Astronomy & Space

http://www.all-science-fair-projects.com/science_fair_projects/132/984/737e14fd38ce907dd2d7ac8d51a7f750.html

I'm not going to use granulated limestone but I'm going to try to use real baby teeth. If I can't get them, do they sell tile at home depot or something that "is made" or covered with enamel? What kind of model would I be able to use for this project? Please help me please?

2007-09-12 05:47:30 · 1 answers · asked by Anonymous in Other - Science

2007-09-12 05:45:43 · 4 answers · asked by ngirl 1 in Zoology

2007-09-12 05:44:16 · 2 answers · asked by astalavista 1 in Physics

plz only engineers should answere this question.

2007-09-12 05:41:48 · 3 answers · asked by 007 1 in Engineering

Consider the following curve.
y = 1 - √x
Find the slope of the tangent to the curve at the point where
x = a.

Please help I am lost.

the problem is correct I double checked and triple checked it

2007-09-12 05:40:40 · 5 answers · asked by Smokey. 6 in Mathematics

This is another profit loss and discount question that i can't understand at all. Please show ALL the steps clearly with all work shown so I can understand: Shabana bought 16 dozen ball pens and sold them at a loss equal to the S.P of 8 ball pens. Find

1. her loss per cent
2. S.P of 1 dozen ball pens, if she purchased these 16
dozen ball pens for Rs 576

2007-09-12 05:34:54 · 4 answers · asked by sunangels24 1 in Mathematics

There a storm signal of #3 dimension and a possible tsunami threat. What are the chances of either for Bangladesh?

2007-09-12 05:32:30 · 1 answers · asked by Iftekhar S 1 in Weather

about sensors and its applications

2007-09-12 05:29:31 · 6 answers · asked by Anonymous in Engineering

what's so unstable in that area?... is that a prime subduction zone, or is there volcanic activity to come or was in the past ?.... this is a couple doozies to have happened so near each other in a short time, yes?.... here's the USGS site's report..

http://earthquake.usgs.gov/eqcenter/eqinthenews/2007/us2007hear/

. and this quake was only five miles deep?.. isn't that pretty shallow?....

2007-09-12 05:28:47 · 3 answers · asked by meanolmaw 7 in Earth Sciences & Geology

2007-09-12 05:27:32 · 5 answers · asked by Dadams 3 in Zoology

future reproduction of the species.
Its over a week ago and this image still arouses me, am I sick?
Is it normal?
Please dont be cruel to me, I am worried.

2007-09-12 05:22:10 · 15 answers · asked by Anonymous in Zoology

Could you help explain how to figure this out? Thanks!

If a tire is somewhat lopsided so that the radius in a certain direction is 1 inch more than in the opposite direction, what is the difference in linear speed between these two points on the tire? Angular speed is 40 radians per second.

2007-09-12 05:21:25 · 7 answers · asked by James 1 in Mathematics

Dairy is subsidized and it is huge, yet a gallon of milk cost only 1 dollar less than a gallon of organic milk which isnt subsidized and has a smaller production

2007-09-12 05:19:03 · 18 answers · asked by ST 4 in Agriculture

Explain why f(x)=x2(the 2 is the exponent)and g(x)=x(the x is under a square root sign

2007-09-12 05:16:52 · 1 answers · asked by Anonymous in Mathematics

2007-09-12 05:13:30 · 10 answers · asked by joezen777 5 in Parapsychology

{0 -1} {3 5 -2}
{-1 0} X {4 6 -3}

What is the pattern for multiplying 2x2 and 2x3 matrices??

2007-09-12 05:11:45 · 8 answers · asked by Anonymous in Mathematics

please answer in a language i might understand! ie. no posh science speak - im already confused enough with physics!

2007-09-12 05:11:08 · 8 answers · asked by nyima s 1 in Physics

A 100kg bungee jumper jumps from a bridge 40m above a river. The bungee cord has an unstretched lenght of 18m and has a spring constant k = 200 N/m
a) How far above the river is he when the cord brings him to a stop?
b) What maximum force does the cord exert on him?

2007-09-12 05:09:18 · 3 answers · asked by Anonymous in Physics

2007-09-12 05:07:42 · 3 answers · asked by astalavista 1 in Mathematics

that is 9 divided by the cube root of "x"

2007-09-12 05:07:03 · 3 answers · asked by Andrew H 1 in Mathematics

In a local bar, a customer slides an empty beer mug down the counter for a refill. The bartender is momentarily distracted and does not see the mug, which slides off the counter and strikes the floor 0.60 m from the base of the counter. The height of the counter is 0.900 m.

(a) With what velocity did the mug leave the counter?

(b) What was the direction of the mug's velocity just before it hit the floor? (below the horizontal)

2007-09-12 05:03:55 · 3 answers · asked by surfing86 2 in Physics

Rotated along the y-axis

2007-09-12 05:01:49 · 2 answers · asked by Anonymous in Mathematics

Rotated along the x-axis.

2007-09-12 05:00:20 · 2 answers · asked by Anonymous in Mathematics

was the moon landing really a hoax and filmed in a tv studio?

2007-09-12 05:00:06 · 13 answers · asked by Bzzzailey 3 in Astronomy & Space

What would be the freezing point?

2007-09-12 04:58:02 · 2 answers · asked by Anonymous in Physics

2007-09-12 04:57:52 · 2 answers · asked by Anonymous in Mathematics

Find a counterexample to show that the conjecture is false.
Conjecture: The product of two positive numbers is greater than the sum of the two numbers.

A. 3 and 5

B. 2 and 2

C. A counterexample exist but it is not shown above.

D. There is no counterexample. The conjecture is true.

2007-09-12 04:56:52 · 2 answers · asked by Anonymous in Mathematics