Science & Mathematics - 18 September 2007

a body moving with uniform acceleration has a velocity of 15.6cm/s when its x coordinate is 4.28cm. if its x coordinate 2.82s later is -8cm, what is the magnitude of acceleration? answer in units of cm/s^2.

2007-09-18 19:53:03 · 4 answers · asked by michael v 1 in Physics

A particle moves along the x axis according to the equation x = 2.05 + 2.94t - t2, where x is in meters and t is in seconds.
(a) At t = 2.80 s, find the position of the particle.
m
(b) What is its velocity?
m/s
(c) What is its acceleration?
m/s2

2007-09-18 19:39:57 · 3 answers · asked by inpsite 1919 3 in Physics

2007-09-18 19:35:11 · 1 answers · asked by Anonymous in Chemistry

2007-09-18 19:31:53 · 10 answers · asked by anky 1 in Astronomy & Space

2007-09-18 19:29:13 · 4 answers · asked by paul_deogracias 1 in Zoology

its for a science project

2007-09-18 19:27:02 · 5 answers · asked by ryan 2 in Biology

when we takeout a metal tray our fingers stick with it .why it happens?

2007-09-18 19:23:52 · 4 answers · asked by aryan e 1 in Chemistry

For 8.7 mmole of the compund MgSO4*7 H2O:

What is the percent water in this amount of the compound?
What weight of sulfur is there in this amount of compound?

2007-09-18 19:22:35 · 1 answers · asked by Anonymous in Chemistry

can someone tell me the difference?

and how these fats will affect the long lasting factor/hardness in soaps?

thanks.

2007-09-18 19:19:57 · 2 answers · asked by Anonymous in Chemistry

2007-09-18 19:16:02 · 3 answers · asked by Heell yeaah! 3 in Mathematics

If the Hubble telescope can zoom out millions of light years away into the infinite univerese then how "far" can the best microscope zoom in on a object. What is beyong the atoms and/or "strings."

2007-09-18 19:15:46 · 8 answers · asked by bigpapamarek 1 in Physics

2007-09-18 19:15:35 · 10 answers · asked by Anonymous in Biology

Anybody knows where I can find a simplified proof of Minkowski inequality?

2007-09-18 19:12:52 · 2 answers · asked by earsanddrums 1 in Mathematics

when u take fat soluble vitamins w/out eating at the same time or when eating only carbs at the same time??

2007-09-18 19:12:28 · 1 answers · asked by Brian L 3 in Medicine

The emulsion has to be stable for min. 3 months. It has then to be stable down to 5% for a couple of hours. Thanks !

2007-09-18 19:11:45 · 1 answers · asked by Anonymous in Chemistry

The used saftety razor blades(double edged, double side) create a disposal problem in this part of the land. I do not like to thro them in the dust bin.
Is there a method by which we can sharpen them & reuse?
Any one knows how they are sharpened during manufacture ? Is a steel ribbon is cut to shape & sharpened or is it a sharpend ribbon ?
How is it 'platinum tipped' ?
Any help is appreciated.

2007-09-18 19:10:40 · 4 answers · asked by kumarswamy v 2 in Engineering

2007-09-18 19:09:47 · 2 answers · asked by viper323 1 in Astronomy & Space

Is not there a massive risk to the eco-system in the event of destruction from enemy fire?

2007-09-18 19:07:30 · 6 answers · asked by reclissezan 1 in Engineering

2007-09-18 19:06:04 · 7 answers · asked by adamie_26 1 in Earth Sciences & Geology

add source please

2007-09-18 19:02:16 · 9 answers · asked by darty 3 in Zoology

Solving Linear Equation problem HELP!

2007-09-18 18:59:17 · 13 answers · asked by Laura Yellow 1 in Mathematics

how big is the country (kms)
and wat do they inport/export

2007-09-18 18:58:06 · 4 answers · asked by prongs17 1 in Geography

2007-09-18 18:54:14 · 8 answers · asked by Anonymous in Mathematics

√56
√7 x √8= 2√2
so what's the reduced answer?

2007-09-18 18:52:13 · 10 answers · asked by Anonymous in Mathematics

2007-09-18 18:51:12 · 8 answers · asked by Anonymous in Chemistry

What are the three primary components of IT?

2007-09-18 18:49:46 · 1 answers · asked by kim 2 in Chemistry

i.e., what does a graph of the relationship look like if the x-axis is the mass??

2007-09-18 18:47:41 · 5 answers · asked by Anonymous in Physics

2007-09-18 18:47:17 · 5 answers · asked by Allison L 1 in Mathematics

2007-09-18 18:43:44 · 4 answers · asked by viper323 1 in Astronomy & Space

I'm talking about small quantities: less than 1000 mA.

When I say "in a circuit", I mean that I'm wondering how I can control how much amperage goes into an electronic component to make sure too much doesn't go in.

2007-09-18 18:43:01 · 5 answers · asked by Think. 3 in Engineering