Science & Mathematics - 1 August 2007

satellites wast sooo much time to go around the earth to get momentum, why cant they use rockets to go Jupiter or some where?

2007-08-01 04:36:33 · 4 answers · asked by Anonymous in Astronomy & Space

2007-08-01 04:36:08 · 2 answers · asked by Anonymous in Mathematics

1. Compare and contrast a theory and law. Give one way they are alike and one way they are different.

2. Give one example of how the theory of microevolution may help an organism survive its environment better.

3. The theories of evolution are debated in society. Compare the definitions of microevolution and macroevolution. Respond to the following statement:

Many scientists support the theory of macroevolution.
Do you agree or disagree with this statement? Why?

2007-08-01 04:34:05 · 8 answers · asked by Anonymous in Biology

what is the length and width.

2007-08-01 04:28:59 · 4 answers · asked by Anonymous in Mathematics

I have a Chemistry project and one of the easier question I thought would be this, but I can't find it on the internet anywhere in an understandable form.

Thanks

2007-08-01 04:27:58 · 9 answers · asked by HarryREDUX 2 in Chemistry

I just noticed people using symbols like "not equal to" (an equality sign with a slash through it) and "union of sets" (a big U . . . maybe that's all it was). How are you doing this? My math answers would benefit from the extra clarity these symbols provide . . . .

2007-08-01 04:26:22 · 5 answers · asked by Anonymous in Mathematics

'cause suppose even if I consider the initial thermal(etc.) energy of the fissionable mass =e1 and kinetic energy of the striking nuclear projectile(poton etc.) to be =e2...


then i don think that E3=energy produced by nuclear fission(heat+electromagnetic) is in any way near the sum of e2 & e1??!!!
i.e E3>>>e1+e2

so here the law of consv. of mass-energy holds,but does it mean that we can practically increase the total energy of the universe by a finite value?????

reply fast n plz give req. exp. facts.......

2007-08-01 04:25:20 · 8 answers · asked by Swapnil B 2 in Physics

(t+2w) / (4t) + (7t-8w) / (3t) -3

Thanks!

2007-08-01 04:20:53 · 2 answers · asked by Anonymous in Mathematics

2007-08-01 04:20:15 · 13 answers · asked by STORMY K 3 in Physics

2007-08-01 04:19:16 · 3 answers · asked by Denmark G 1 in Mathematics

H2 +Cl2 gives 2HCl
here in the product, we have HCl as a compound, with valency 1 from hydrogen and chlorine and hence is balanced as 2HCl.
but why do we write H two and Cl two, i can see its got nothing to do with valency, so what is it? do different elements have a fixed number of those things? if so where can i find such a list for different elements?
Pleeze help!!

2007-08-01 04:18:54 · 3 answers · asked by merrick 2 in Chemistry

2007-08-01 04:18:36 · 25 answers · asked by Anonymous in Astronomy & Space

I want to be a Zoo Keeper when i get older But i want to know what they do. How much they get paid. And do you need to go to school for it? Thanx you guys

2007-08-01 04:18:16 · 5 answers · asked by Anonymous in Zoology

2007-08-01 04:10:23 · 0 answers · asked by --JaJaBoR-- 2 in Medicine

technical

2007-08-01 04:10:10 · 9 answers · asked by country bumpkin [sheep nurse] 7 in Mathematics

2007-08-01 04:09:07 · 5 answers · asked by SadToday22 3 in Mathematics

2007-08-01 04:06:54 · 4 answers · asked by malone 2 in Earth Sciences & Geology

-2 + 2z-u / 2z + 9z-8u / 7z

Thanks in advance!

2007-08-01 04:06:00 · 5 answers · asked by Anonymous in Mathematics

wat classes do i have to take in high school so i can become one :) plz help and thank you !!!

2007-08-01 04:04:45 · 4 answers · asked by star :) 2 in Zoology

Is anyone good with analyzing graphs, standard deviation, etc. Help?

2007-08-01 04:03:18 · 4 answers · asked by cats 7 in Mathematics

zoology

2007-08-01 03:58:26 · 3 answers · asked by Anonymous in Zoology

a.)rate of fusion reactions
b.)age of the star
c.)size of the star
d.)all of the above
e.)b and c
f.)none of the above

2007-08-01 03:53:55 · 10 answers · asked by jake m 1 in Astronomy & Space

2007-08-01 03:51:33 · 5 answers · asked by Payal 1 in Mathematics

Are we as humans losing faith in the bio medical model to treat sickness and disease? or is this an "alternative" approach to improving health?...just one more thing-how did Social determinants arise and become essential concept in determining health?

2007-08-01 03:50:23 · 2 answers · asked by Anonymous in Medicine

Integral of x^2 * cos(x)

2007-08-01 03:48:40 · 4 answers · asked by spphat 2 in Mathematics

Express as a single fraction
- (9z + u) / (5z) + (8z-4u) / (3z) -2

My problme looks really confusing: negative nine z plus u divided by five z ples eight z- four u divided by three z then -2 out from the fraction.

2007-08-01 03:45:45 · 6 answers · asked by Anonymous in Mathematics

(5/6 y^2 x)(1/4 x^2 y)

simplify

2007-08-01 03:44:58 · 2 answers · asked by In flu3nce 2 in Mathematics

3 MEN GO INTO A HOTEL.
THE MAN BEHIND THE DESK SAID THE ROOM IS $30
SO EACH MAN PAID $10 AND WENT TO THE ROOM.
A WHILE LATER THE MAN BEHIND THE DESK REALIZED THE ROOM WAS ONLY $25
SO HE SENT THE BELLBOY TO THE 3 GUYS' ROOM WITH $5.
ON THE WAY THE BELLBOY COULDN'T FIGURE OUT HOW TO SPLIT $5 EVENLY
BETWEEN 3 MEN,
SO HE GAVE EACH MAN A $1 AND KEPT THE OTHER $2 FOR HIMSELF.
THIS MEANT THAT THE 3 MEN EACH PAID $9 FOR THE ROOM, WHICH IS A TOTAL OF $27
ADD THE $2 THAT THE BELLBOY KEPT = $29.
WHERE IS THE OTHER DOLLAR?

2007-08-01 03:44:48 · 7 answers · asked by CSF 6 in Mathematics

Which type of bear should one run from and which should you play dead? How do I identify these bears?

2007-08-01 03:43:31 · 6 answers · asked by Anonymous in Zoology

2007-08-01 03:41:24 · 7 answers · asked by Anonymous in Mathematics