Science & Mathematics - 12 January 2007

Evaluate ∫ log3x
2x dx

2007-01-12 13:36:52 · 1 answers · asked by bklyn 1 in Mathematics

is it possible or has it been done already? and if we do invent a time machine, wouldn't it disrupt space-time continuum and thus resulting to chaos and altering the events in the future? what good will it do?

2007-01-12 13:36:16 · 10 answers · asked by majj 3 in Astronomy & Space

i need to know because my uncle ate one. will it affect him?

2007-01-12 13:35:49 · 7 answers · asked by Anonymous in Zoology

2007-01-12 13:35:48 · 8 answers · asked by bklyn 1 in Mathematics

my professor said it was already accomplished in Australia. is it true? do you know any details of this event? could you tell me where you read/heard about it? also, include the URL where i can find info on this in the net. thanks in advance!

2007-01-12 13:34:40 · 4 answers · asked by majj 3 in Astronomy & Space

A student librarian lifts a 2.2 kg book from the floor to a height of 1.25 meters. Her carries the book 8.0 meters to the stacks and places the book on a shelf that is 0.35 meters above the floor. How much work does he do on the book?

I'm having trouble understanding this problem.
Please help me.

2007-01-12 13:34:04 · 2 answers · asked by vicky p 1 in Physics

If A and B were sets how would I prove that P(A) is an element of P(B), and also, how A is an element of B? Thanks!!!

2007-01-12 13:28:30 · 2 answers · asked by Johnny O 1 in Mathematics

describe the methods that scientists use in their work

2007-01-12 13:27:41 · 3 answers · asked by Kara 2 in Biology

2007-01-12 13:27:19 · 6 answers · asked by zeusdonna 1 in Mathematics

explain why good communication is so important in science

2007-01-12 13:26:58 · 1 answers · asked by Kara 2 in Other - Science

explian the relationship between hypothesizing, predicting, and experimenting.

2007-01-12 13:26:14 · 2 answers · asked by Kara 2 in Other - Science

You have a hosepipe, a 3 gallon bucket,and a 5 gallon bucket. the buckets are clear and have no lines to measure.

2007-01-12 13:24:56 · 7 answers · asked by Anonymous in Engineering

anything sensible please.

2007-01-12 13:24:12 · 10 answers · asked by nuggit23 1 in Mathematics

Crafts. Rose’s garden is in the shape of a trapezoid. If the height of the trapezoid
is 16 m, one base is 20 m, and the area is 224 m2, find the length of the other base.

2007-01-12 13:24:01 · 4 answers · asked by Anonymous in Mathematics

modern & latest theory on the Universe.

2007-01-12 13:23:48 · 15 answers · asked by DEV 1 in Astronomy & Space

2007-01-12 13:22:07 · 9 answers · asked by Bill B 1 in Geography

450% and 16/ 21% in a fraction plz!

2007-01-12 13:21:10 · 4 answers · asked by Kayla 1 in Mathematics

2007-01-12 13:19:41 · 5 answers · asked by Anonymous in Zoology

I.E., blue vs brown eyes, what makes brown so common? And what about green eyes, where do they fit in?

2007-01-12 13:18:21 · 3 answers · asked by Anonymous in Biology

Ed and Dave are going to divide a cash prize of $14,000 in a ratio of 3 to 4. How much will Dave receive?

2007-01-12 13:16:35 · 7 answers · asked by Pushpendra C 1 in Mathematics

It can be any animal, oceanic or land dwelling. For science class, but I just can't think of any good ones. Serious answers only please.

2007-01-12 13:10:45 · 14 answers · asked by Juliane 3 in Zoology

2007-01-12 13:09:27 · 6 answers · asked by Anonymous in Chemistry

2007-01-12 13:06:43 · 12 answers · asked by massive 2 in Mathematics

2007-01-12 13:05:50 · 3 answers · asked by hairgirl 1 in Other - Science

2007-01-12 12:57:37 · 14 answers · asked by RR 1 in Mathematics

I'd like to buy a telescope and be able to search the night time sky in summer. But the specs for telescopes confuse me. It will be my first purchase, yet I'd like to buy a good telescope for around 300-400 dollars. Thanks for your help.

2007-01-12 12:57:30 · 6 answers · asked by love_pretty_feet 1 in Astronomy & Space

From the Earth's standpoint the comet is either behind (evening) or ahead (morning) of the sun. Is this a weird positional geometry peculiar to this particular object?

2007-01-12 12:54:36 · 2 answers · asked by Anonymous in Astronomy & Space

see humans are determind by their DNA each human had different types of DNA but twins has the same type of DNA genetic code besides the fiact that twins are in different bodies why are twin considered different human beings if they have the same genetic code?

2007-01-12 12:54:26 · 26 answers · asked by Anonymous in Biology

My mother has dark brown eyes and my father has greyish eyes, my mum's father had brown eyes and so did my dad's father, so how did i end up with blue eyes? (and they are my real parents,i look like them both)

2007-01-12 12:52:55 · 19 answers · asked by Anonymous in Biology

California, Hawaii, the Pacific Northwest, Alaska, and the Southern States seceding from the USA?

2007-01-12 12:51:32 · 4 answers · asked by Anonymous in Geography