Science & Mathematics - 28 January 2007

2007-01-28 19:31:31 · 19 answers · asked by ba-jo2007 1 in Chemistry

I am from the Philippines taking up Radiologic Technology. I plan to work in the US after I graduate. Anyone knows what my chances are in getting to the US with this as job?

Thanks!

2007-01-28 19:31:07 · 2 answers · asked by Anonymous in Medicine

Scientis say that our univerce become by a big explosion. Will our univerce become small and than explode again ? Or can we say , we are in the first , second or last big bada bum.?

2007-01-28 19:29:02 · 2 answers · asked by hanibal 5 in Physics

2007-01-28 19:16:54 · 4 answers · asked by Anonymous in Engineering

2007-01-28 19:12:58 · 4 answers · asked by nadieramar 1 in Chemistry

I want to get familiar with the shuttle kiln and tunnel kiln for firing and refiring sanitary pieces.please describe them or introduce me essays in internet.

2007-01-28 19:12:17 · 2 answers · asked by Anonymous in Engineering

2007-01-28 19:09:17 · 10 answers · asked by ba-jo2007 1 in Chemistry

i know the answer is one, but how do i get to that
2^2x+2^(x+2)-12=0

2007-01-28 19:08:01 · 5 answers · asked by Anonymous in Mathematics

So many caolminers die in accidents in the mines, surely there must be a way to take out the coal safely from the earth's surface itself with so much advanced technology to help us...what do you think?

2007-01-28 19:03:24 · 6 answers · asked by Anonymous in Earth Sciences & Geology

Who might be with you?
What will youtake with you?
Where would you seek?

2007-01-28 19:00:01 · 6 answers · asked by opal 1 in Weather

Sorry, I Just forgot!
so silly! hehe!

2007-01-28 18:59:31 · 16 answers · asked by peperoni 2 in Mathematics

2007-01-28 18:59:05 · 2 answers · asked by adrianbernardo 1 in Chemistry

Sam heaves a shot with weight 16.0 lbs straight upward, giving it a constant upward acceleration from rest of 45.2 m/s^2 for a height 65.0 m . He releases it at height 2.14 m above the ground. You may ignore air resistance.

Part A: What is the speed of the shot when he releases it?

Part B: How high above the ground does it go?

Part C: How much time does he have to get out of its way before it returns to the height of the top of his head, a distance 1.84 m above the ground?

Take the free fall acceleration to be g = 9.80 m/s^2 for all parts of this problem.

Thanks guys, I really appreciate the help :D

2007-01-28 18:50:17 · 1 answers · asked by erica s 1 in Physics

I live in New York City and pigeons are EVERYWHERE! Where are the baby pigeons?

2007-01-28 18:48:18 · 3 answers · asked by MthrNatures_Son 4 in Zoology

A coal-fired power station generates electrical power for the national grid.

Explain how the energy from the coal is used to generate electricity !?

2007-01-28 18:47:29 · 2 answers · asked by minche 1 in Physics

When a ball is thrown, its height in feet h after t seconds is given by the equation
h = vt – 16t^2 ,
where v is the initial upwards velocity in feet per second. If v = 19 feet per second, find all values of t for which h = 5 feet. Do not round any intermediate steps. Round your answer to decimal places.
(If there is more than one answer, enter additional answers with the "or" icon.)

2007-01-28 18:47:17 · 4 answers · asked by Anonymous in Mathematics

Math Problems Please?
Hey, everyone these questions are due on wednesday, and ive done most of the sheet and i just have these questions left. Could someone please answer with full solutions. thank you so much in advance, and help will be appreciated, as the questions have been hard for me to solve and i really would like to know, how it should be done. Thank You... Or.. you could send me a e-mail to srwh_90@yahoo.com, and i could send u the worksheet, only a few questions. thanks...

Question 17) Find the coefficient of:

a) x in (3x^2 + 2/x)^5

b) x in (x-2^x-1)^5

c) x^3 in (x-2/x)^7

d) x^3 in (x-1/2x)^9

e) x^4 in (x-1/2x)^10

f) p^4q^2 in (p+q)^6

g) x^5 in (1+2x)^7

h) x^3 in (2x-2)^10

i) x^5 in (x - 2/ x^2)^11

j) x^5 in (x+1/x)^9


Question 16) Find:

b) the fourth term in (1-x/2)^9

c) the fifth term in (1+x^2)^10

d) the sixth term in (3-2x)^8

e) the seventh term in (1-x/2)^10

THANKS HEAPS IN ADVANCE..

2007-01-28 18:47:08 · 4 answers · asked by ahahahaha 1 in Mathematics

A physics student with too much free time drops a watermelon from the roof of a building. He hears the sound of the watermelon going "splat" after a time interval of 2.42 s.

You may ignore air resistance. How high is the building? The speed of sound is 340 m/s .
Take the free fall acceleration to be g = 9.80 m/s^2.

2007-01-28 18:46:57 · 5 answers · asked by erica s 1 in Physics

A man travels from A to B at 4 km/h and from B to A at 6 km/h. The total journey takes 45 minutes. Find the distance travelled.

And...could you explain each step, please?

2007-01-28 18:46:48 · 9 answers · asked by Anonymous in Mathematics

God has to be a male from the little fatherly stuff I know.

2007-01-28 18:46:06 · 11 answers · asked by Siva 1 in Other - Science

1 over 5

2007-01-28 18:44:35 · 5 answers · asked by willie v 1 in Mathematics

I seen the vactrain on discovery channel, but I can no longer find info. there.

2007-01-28 18:39:52 · 1 answers · asked by Anonymous in Engineering

one corner C of a very long strip of paper 10cm wide is folded so that, after being folded, the corner C lies on the long side of the strip opposite C. how should the paper be folded so as to minimize the length of the fold?

2007-01-28 18:39:28 · 2 answers · asked by joe s 1 in Mathematics

I was in the ocean coast of baja california one afternoon and I spotted a number of dolphins swimming and jumping just about 50 feet from the shoreline. It was a cold day and nobody was on the beach but me and some friends. I had a strong temptation to fulfill a dream of mine and go swimming with dolphins but I was wondering whether swimming in the vicinity of wild dolphins was safe?

2007-01-28 18:38:43 · 5 answers · asked by bokimble 1 in Zoology

I'll let this go to vote and let the people choose the winner.
My favorite: Incense cedar

2007-01-28 18:35:42 · 18 answers · asked by Anonymous in Botany

2007-01-28 18:31:19 · 10 answers · asked by Kat 1 in Earth Sciences & Geology

2007-01-28 18:30:50 · 2 answers · asked by welj 1 in Other - Science

Let a є 4N+3 = {4n+3 : n є N}. Show that a has a positive prime factor in 4N+3. (N is the set of all natural numbers)

I'm not quite sure how to go about this... any help would be really appreciated!

2007-01-28 18:27:49 · 3 answers · asked by yogastar02 2 in Mathematics

Math Problems Please?
Hey, everyone these questions are due on wednesday, and ive done most of the sheet and i just have these questions left. Could someone please answer with full solutions. thank you so much in advance, and help will be appreciated, as the questions have been hard for me to solve and i really would like to know, how it should be done. Thank You... Or.. you could send me a e-mail to srwh_90@yahoo.com, and i could send u the worksheet, only a few questions. thanks...

Question 17) Find the coefficient of:

a) x in (3x^2 + 2/x)^5

b) x in (x-2^x-1)^5

c) x^3 in (x-2/x)^7

d) x^3 in (x-1/2x)^9

e) x^4 in (x-1/2x)^10

f) p^4q^2 in (p+q)^6

g) x^5 in (1+2x)^7

h) x^3 in (2x-2)^10

i) x^5 in (x - 2/ x^2)^11

j) x^5 in (x+1/x)^9


Question 16) Find:

b) the fourth term in (1-x/2)^9

c) the fifth term in (1+x^2)^10

d) the sixth term in (3-2x)^8

e) the seventh term in (1-x/2)^10

THANKS HEAPS IN ADVANCE..

2007-01-28 18:24:22 · 3 answers · asked by ahahahaha 1 in Mathematics

2007-01-28 18:23:42 · 12 answers · asked by Chi B 1 in Chemistry