Science & Mathematics - 9 January 2007

if i crop a 1.66:1 into a 1.33:1 then try to crop that image into a 1.85:1 which would be closest to the original aspect ratio the 1.85:1 or the 1.33:1?

2007-01-09 06:30:42 · 1 answers · asked by Anonymous in Physics

Is entire North America windy? If yes why is it so?

2007-01-09 06:30:34 · 6 answers · asked by szhob 3 in Weather

2007-01-09 06:30:23 · 7 answers · asked by Fred 1 in Weather

2007-01-09 06:26:37 · 1 answers · asked by abstemious_entity 4 in Biology

2007-01-09 06:25:08 · 4 answers · asked by Anonymous in Medicine

2007-01-09 06:23:05 · 9 answers · asked by aos474 1 in Physics

what part of a mile woud be 165 yds.anser to be in,example 3/4.1/2.1/4.1/8.1/6.1/32.1/64.and so on.thanks

2007-01-09 06:21:30 · 6 answers · asked by tugboat 4 in Mathematics

Why is cos 45˚ equal to √2/2? Why doesn't is cos 45˚ equal 1/√2?

2007-01-09 06:19:06 · 6 answers · asked by thomasgraham880 1 in Mathematics

2007-01-09 06:17:11 · 5 answers · asked by tilelite 1 in Mathematics

A crate weighing 850 N is pushed up an inclined plane a distance of 10.0 m. The plane makes an angle of 15.0 degrees with the horizontal and the crate moves with constant velocity. The coefficient of friction between the crate and the plane is 0.24. Calculate the work that is done in pushing the crate.
so....
Given: mass=850 N ,D=10.0 m , angle= 15.0 degrees , coefficient of friction= 0.24
Need to find= work?
Useful equations= work=horizontal force *distance
w=Fh*D
Fh=coefficient of friction *mg
mass *acceleration due to gravity
here mg=850 N
Fn=mgcos(15) degrees
Fh=mgsin(15) degrees

I know the answer is 4.2*10^3 J but im confused how to get it.

2007-01-09 06:16:18 · 4 answers · asked by dreamz 4 in Physics

2007-01-09 06:16:05 · 4 answers · asked by Nevena 1 in Earth Sciences & Geology

It should be obvious to anyone with half a brain that they have. How do they think their cell phones work and have they never heard of Satelight navigation and that's for starters. Well it's the same technology so why believe in one thing and not the other?
I think the film" Capricorn One has a lot to answer for".

2007-01-09 06:14:22 · 21 answers · asked by Cream tea 4 in Astronomy & Space

I would like web sites with your answers too.

2007-01-09 06:14:17 · 12 answers · asked by ty 2 in Engineering

2007-01-09 06:14:01 · 7 answers · asked by christav_03 1 in Geography

2007-01-09 06:10:45 · 2 answers · asked by LOU M 1 in Astronomy & Space

2007-01-09 06:07:48 · 28 answers · asked by Anonymous in Physics

2007-01-09 06:07:30 · 4 answers · asked by sheep_and_cows_go_quack 1 in Geography

2007-01-09 06:05:53 · 7 answers · asked by DaRkAngeL XIII 3 in Zoology

What proof is there?

2007-01-09 06:05:32 · 15 answers · asked by Douglas G 2 in Astronomy & Space

dementionaly what is theuniverse made from?

2007-01-09 06:04:41 · 2 answers · asked by Frances D 1 in Physics

A girl pulls a wagon with constant velocity along a level path for a distance of 45 m. The handle of the wagon makes an angle of 20.0 degrees with the horizontal and she exerts a force of 85 N on the handle. Find the amount of work the girl does in pulling the wagon?

I know the answer should be 3.6*10^3 J but i dont know how to get this, please help.

2007-01-09 06:04:28 · 2 answers · asked by dreamz 4 in Physics

What is the name of the jam if it is half solid and half liquid?

2007-01-09 06:04:24 · 14 answers · asked by Bubbles Hubbles 1 in Chemistry

2007-01-09 06:03:53 · 18 answers · asked by aos474 1 in Biology

2007-01-09 06:02:20 · 20 answers · asked by ndlovu55 1 in Physics

It just seems that the days get longer very slowly in January and much quicker later in the spring.

2007-01-09 06:00:55 · 5 answers · asked by Hank 1 in Weather

2007-01-09 05:59:10 · 4 answers · asked by uge 1 in Mathematics

2007-01-09 05:59:06 · 12 answers · asked by Anonymous in Chemistry

My equation is set up like this 90 .65 = .55(200x)


Please help, thanks!

2007-01-09 05:57:17 · 8 answers · asked by paintballer391 2 in Mathematics

2007-01-09 05:57:17 · 10 answers · asked by hauntedpostman 1 in Astronomy & Space

im doing a project on number stairs what things should i be noticing when the stairs is moving on the grid and how do i go about finding the final formular for any size stair on any size grid? ty

2007-01-09 05:55:50 · 2 answers · asked by jak 3 in Mathematics