Science & Mathematics - 2 February 2007

2007-02-02 08:46:33 · 10 answers · asked by PCP_420_THC* 2 in Zoology

2007-02-02 08:43:49 · 3 answers · asked by bernardino 1 in Earth Sciences & Geology

After storms last night. How common is this?

2007-02-02 08:43:48 · 4 answers · asked by farmer 4 in Weather

What is the the scientific name of the chemical in the coca plant from wich cocaine is produced that causes the subject to feel under the influence of this narcotic?, also is this the only species of plant thet contains this chemical?

2007-02-02 08:43:45 · 3 answers · asked by delta1911viper 1 in Botany

Okay, I thought I understood this but my homework site is telling me otherwise. What I did was add the total votage and came out with 40.12. I'm not sure if that is what I'm suppose to do or not for part (a).

Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 5.0 and 20.5 W, 31.5 and 10.0 W, and 15.0 and 10.0 W.

(a) What is the greatest voltage that the battery can have without one of the resistors burning up?
V
(b) How much power does the battery deliver to the circuit in (a)?
W

If I know (a) then I should be able to do (b) by myself

2007-02-02 08:40:12 · 4 answers · asked by Confused 1 in Physics

2007-02-02 08:34:04 · 9 answers · asked by jon & Corrie A 1 in Other - Science

(3√3-√5)(√6+√3)=

3√18+3√9-30-15

ans:9√2+9-30-15?

2007-02-02 08:33:35 · 2 answers · asked by ,,,,,,, 2 in Mathematics

have missed my chemistry class for acouple weeks b/c i have been sick. my teacher just gave me a ton of work which i need help with. can you teach me about these topics please??
thankss

What is the purpose of the actvity series?
What is the mole(value, what it is used for)?

Discuss the Gas Laws- (Boyle, Charles, Ideal)

Discuss endothermic/exothermic reactions.
What are reactions at equilibruim?

pH scale --acid base and neutral(examples)

2007-02-02 08:33:10 · 3 answers · asked by nice too meet you. 4 in Chemistry

2007-02-02 08:31:02 · 5 answers · asked by Anonymous in Other - Science

2007-02-02 08:29:55 · 12 answers · asked by Anonymous in Weather

when you see a worm in a puddle is it drowned or what?

2007-02-02 08:26:43 · 12 answers · asked by Anonymous in Zoology

2007-02-02 08:22:55 · 8 answers · asked by Anonymous in Chemistry

solve the following equations:Xsquared-13X+42=0 and
Xsquared-8X-65=0

2007-02-02 08:21:39 · 8 answers · asked by jessys 1 in Mathematics

2007-02-02 08:21:11 · 4 answers · asked by punchface 3 in Astronomy & Space

Stone falls into a deep well, you hear it hit 3.2 seconds later. Thats the time it took for the stone to fall + the time it took for sound to travel back up the well to you. Sound is traveling at 343m/s how deep is the well?


There werent any other givens and I cant think of a way to approach the problem without knowing more, any ideas?

2007-02-02 08:18:42 · 4 answers · asked by lostcausechalupa 1 in Physics

2007-02-02 08:18:04 · 18 answers · asked by Rachel T. 2 in Astronomy & Space

2007-02-02 08:17:17 · 3 answers · asked by Jeremy G 1 in Mathematics

I understood it before, but I completely forgot it and I need to know it now. Any help is appreciated.

2007-02-02 08:16:08 · 2 answers · asked by yangster258 2 in Chemistry

Is it really infinite, and infinite what? Anybody who understands what I am asking please respond.

2007-02-02 08:15:25 · 12 answers · asked by RAW29 3 in Astronomy & Space

Because of global warming its getting warmer. Does the increase in temperature mean an increase in summer storms?

2007-02-02 08:14:59 · 5 answers · asked by Anonymous in Weather

2007-02-02 08:14:57 · 2 answers · asked by Stephanie :) 3 in Other - Science

plese help

2007-02-02 08:13:35 · 14 answers · asked by Anonymous in Mathematics

2007-02-02 08:12:57 · 3 answers · asked by Anonymous in Engineering

2007-02-02 08:10:32 · 13 answers · asked by rubyred 1 in Medicine

condensation?
evaporation?
a run-off?
transpiration from vegetation?
rvaporation from rivers, dams, soil and vegetation?
inflitration?

2007-02-02 08:08:41 · 1 answers · asked by Stephanie :) 3 in Other - Science

2007-02-02 08:05:40 · 2 answers · asked by babybrook06 1 in Weather

solve for the system of equations:
If v=vc +at AND
delta x= (_v + vc)t
2
show that delta x= vct=atsquared over 2
hint you need to eliminate the v
can someone please help me with this question.
Thanks

2007-02-02 08:04:28 · 1 answers · asked by Anonymous in Physics

2007-02-02 08:04:06 · 5 answers · asked by Anonymous in Mathematics

2007-02-02 08:03:39 · 7 answers · asked by Anonymous in Astronomy & Space

I need to ask that some 'thing' must have changed into energy!! what is that thing ? or how this energy came into existence ..Though we say that energy can neither be created nor be destroyed..that means its content is infinty because a slight change in its contents is negligible.

2007-02-02 08:02:07 · 5 answers · asked by pp 1 in Physics