Science & Mathematics - 3 December 2006

Does taking Vitamin C increase the effects of the Psilocybin?

2006-12-03 06:55:53 · 10 answers · asked by Anonymous in Other - Alternative

2006-12-03 06:55:43 · 8 answers · asked by paintballkid9182 1 in Astronomy & Space

The length of a rectangle is twice its width. If the perimeter of the rectangle is 48 cm, find its area.

2006-12-03 06:54:32 · 9 answers · asked by Ken H 1 in Mathematics

don't get it at all. is there hope?

2006-12-03 06:54:32 · 5 answers · asked by LightMyFire 2 in Mathematics

if u=0.25, t=3.5 and a=-0.05

then what is s in the following equation: s=ut 1/2 at"
("=squared)

2006-12-03 06:53:20 · 3 answers · asked by ™ 3 in Mathematics

The input voltage is a sine wave signal of frequency 100Hz and peak to peak voltage of 2V.
Draw 2 sketch graphs of the input voltage and against output voltage, against time. Include all values on the scales.

2006-12-03 06:51:46 · 1 answers · asked by Anonymous in Physics

I have just started a job in the hi-fi industry and have got to learn the tecnical stuff about speakers , im slowly getting there but dont understand the - 3 db thing and struggeling to get me head round it, Can any one explane it to me simply ???

2006-12-03 06:51:12 · 4 answers · asked by Mark 4 in Engineering

2006-12-03 06:49:59 · 6 answers · asked by welderoflove 1 in Earth Sciences & Geology

Does a singularity at the center of a black hole have volume? If not, would the density be infinate?

2006-12-03 06:49:32 · 8 answers · asked by Debbie 1 in Astronomy & Space

A centrifuge accelerates uniformly from rest to 15,000rpm in 220s. through how many revolutions did it turn in this time.

This ? is about constant angular acceleration; rolling

thanx for your help.

2006-12-03 06:49:05 · 2 answers · asked by willy o 1 in Physics

help me, pls

2006-12-03 06:48:12 · 6 answers · asked by nowhisper 1 in Mathematics

I=prt
It says find the amount of interest earned by depositing $100 into an account that earns 2%interest for 1 year.How would I solve it...Help me plzz

2006-12-03 06:48:02 · 6 answers · asked by karla g 1 in Mathematics

2006-12-03 06:46:34 · 8 answers · asked by Rachel T. 2 in Physics

2006-12-03 06:45:04 · 3 answers · asked by brandy 1 in Mathematics

On a very cold night in North Dakota, the temperature reached a record low for that date. By morning the temperature had risen 15 degrees, but was still 8 degrees below zero. Write a verbal model, labels, and an equation to find the record low temperature the night before.

2006-12-03 06:44:25 · 12 answers · asked by Anonymous in Mathematics

I get how to find the percent of qa specified number. How do you find the number that you want the percent of with the info given. I dont want the actual answer to the problem just how to get there.

2006-12-03 06:43:35 · 6 answers · asked by lilncmama_4u 1 in Mathematics

2006-12-03 06:42:33 · 5 answers · asked by ci5exy@btinternet.com 1 in Zoology

2006-12-03 06:40:51 · 5 answers · asked by Anonymous in Physics

2006-12-03 06:40:07 · 4 answers · asked by Theodore N 1 in Mathematics

thanks^^ first one to answer rite gets 10 points

2006-12-03 06:38:01 · 10 answers · asked by Anonymous in Mathematics

2006-12-03 06:37:36 · 6 answers · asked by brandon s 1 in Biology

I know how to factorise expressions such as:

2x^2+7x-4

into

(2x+4)(x-1)

but how would I factorise x^2-9?

Thanks
Joe

2006-12-03 06:37:11 · 5 answers · asked by Anonymous in Mathematics

none

2006-12-03 06:34:00 · 28 answers · asked by Roxy S 1 in Mathematics

a) which fossil fuels can be used directily as fuels?
b) which processes are needed to make as many useful fuels as possible from crude oil?

2006-12-03 06:33:44 · 3 answers · asked by Stephanieee! 1 in Chemistry

2x^4-162

2006-12-03 06:33:15 · 5 answers · asked by Anonymous in Mathematics

2006-12-03 06:32:47 · 3 answers · asked by bballbump 1 in Zoology

when adding Br to a simply alkyne, what conditions are required for two Br to be on the same carbon (eg. CH3-BrCBr-CH3-CH3), what about on two adjacent carbons (eg. CH3-CHBr-CHBr-CH3)?

2006-12-03 06:30:22 · 1 answers · asked by Anonymous in Chemistry

what steps would you take to do these?

What mass of carbon momoxide must react with oxygen to produce .69grams of carbon dioxide?


How many grams of ozone (O3) must decompose to produse .87 grams of oxygen?

2006-12-03 06:30:17 · 1 answers · asked by ? 2 in Chemistry

Find the set of values of the constant k such that the equation x^2-6x+k=0 has real and distinct roots.



Yeah so what???

2006-12-03 06:27:39 · 4 answers · asked by Jezza 2 in Mathematics

Please solve this sum for me, its really challenging for my level, and i just can't get it =(

http://img355.imageshack.us/img355/9581/sumfq2.png

2006-12-03 06:26:53 · 5 answers · asked by cartman 2 in Mathematics