Science & Mathematics - 7 February 2007

Do you think this adds up?

2007-02-07 01:38:00 · 3 answers · asked by Anonymous in Mathematics

a- both have the same diameter
b- the wide-angle lens has the smaller diameter
c- the wide- angle lens has the larger diameter
d-any of the above, depending on the ratio of the focal lengths of the lenses

2007-02-07 01:37:41 · 2 answers · asked by Jac A 1 in Physics

I wonder wether it'll be a capitalist or socialist type system or the world would have to be totally unifed politcally to achieve this

2007-02-07 01:36:20 · 1 answers · asked by Anonymous in Astronomy & Space

3x-2y=9
4x+7y=-17
How would you solve this system

2007-02-07 01:36:10 · 6 answers · asked by danielle 2 in Mathematics

a- speed
b- amplitude
c- acceleration
d- frequency

2007-02-07 01:35:40 · 3 answers · asked by Jac A 1 in Physics

2007-02-07 01:34:16 · 3 answers · asked by Lisa 1 in Chemistry

That is: 8 times arcsin of x/4 minus "x" times the square root of 16 minus x^2 divided by 2.......... help!

2007-02-07 01:33:53 · 1 answers · asked by Anonymous in Mathematics

2007-02-07 01:32:18 · 15 answers · asked by josh b 1 in Other - Science

One of my mates mentioned "formula" in relation to weed. Anyone know what it means? I thnk it's a UK term.

2007-02-07 01:31:16 · 3 answers · asked by lazer 3 in Chemistry

2007-02-07 01:30:14 · 8 answers · asked by Red5 5 in Astronomy & Space

Is it possible for an object that is travelling at constant speed to be accelerating? If yes, give an example. Anyone can explain this to me? Thanks.

2007-02-07 01:29:09 · 10 answers · asked by FSC 2 in Physics

Solve for H! I can't seem to get it....can you also explain HOW you got it...thanks

2007-02-07 01:28:44 · 2 answers · asked by A 3 in Mathematics

2007-02-07 01:28:31 · 4 answers · asked by saching 1 in Chemistry

Under microscope two dimensional features such as area of a particle can be measured. But this has to be converted to three dimensiomal measurement. Can you do it by any mathematical trnsformation?

2007-02-07 01:27:29 · 2 answers · asked by SubirKumarDAS 1 in Mathematics

How do I find the standard deviation of a random number uniformly distributed between 0 and 1....

How about between 0 and 5, etc.

2007-02-07 01:26:32 · 2 answers · asked by Steven 2 in Mathematics

2007-02-07 01:24:52 · 3 answers · asked by zte_eric 1 in Engineering

It snows at the poles and that is bloody freezing!

2007-02-07 01:24:24 · 14 answers · asked by Dunk 3 in Weather

I'm curious.

2007-02-07 01:23:57 · 4 answers · asked by Miss LaStrange 5 in Chemistry

How can I find a site to tell me what the weather was like in Defiance Ohio on feb 2nd and Feb 3rd???? please help me track this down Points to the first one with the answer or web address to help me.

2007-02-07 01:23:14 · 3 answers · asked by faithfullyyours 3 in Weather

Does anyone know where you can get the answers on the internet as I like to check my work as I go along!

2007-02-07 01:20:15 · 5 answers · asked by Emma C 4 in Mathematics

2007-02-07 01:19:45 · 10 answers · asked by sss r 1 in Astronomy & Space

2007-02-07 01:19:34 · 3 answers · asked by icethey 2 in Chemistry

I asked a question about "Pulsars" but I meant Quazas.

2007-02-07 01:13:15 · 2 answers · asked by T-Bob Squarepants 3 in Astronomy & Space

2007-02-07 01:11:38 · 1 answers · asked by icethey 2 in Chemistry

2007-02-07 01:10:59 · 3 answers · asked by insane72790 1 in Astronomy & Space

2007-02-07 01:10:28 · 15 answers · asked by Anthony B 2 in Biology

a- always real
b- always virtual
c- sometimes real and sometime virtual
d- neither real nor virtual

2007-02-07 01:10:18 · 3 answers · asked by Tami B 1 in Physics

a- the image is virtual, erect, and larger than the object
b- the image is real, inverted, and larger than the object
c- the image is real, inverted, and the same size as the object
d- no image is formed

2007-02-07 01:07:53 · 1 answers · asked by Tami B 1 in Physics

2007-02-07 01:06:51 · 11 answers · asked by Anonymous in Earth Sciences & Geology

2007-02-07 01:06:44 · 8 answers · asked by Anonymous in Biology