Science & Mathematics - 23 September 2006

7+(=8)=7+(8+6)

2006-09-23 11:15:33 · 3 answers · asked by turlington999 1 in Geography

This would allow them to date events on Mars in an absolute fashion as we do on Earth, rather than in the relative way that they do now (relative to the landing date of each Rover, for example). Some number of Martian 'months' could be set up, with unique names, and some arbitrary day one could be determined (Percival Lowell's birthday perhaps?)

2006-09-23 11:13:48 · 3 answers · asked by rlpierce444 1 in Astronomy & Space

2006-09-23 11:12:43 · 24 answers · asked by Anonymous in Other - Science

what is mentos, and does it explode in diet coke?
why diet coke?

2006-09-23 11:12:39 · 5 answers · asked by Anonymous in Chemistry

2006-09-23 11:11:37 · 10 answers · asked by Ash 1 in Chemistry

2006-09-23 11:10:58 · 9 answers · asked by Chris B 1 in Biology

It's been gloomy and rainy and wet probably for like a week now. I want to see the sun again!!! Is it nice over there? Tell me about it...

2006-09-23 11:10:06 · 10 answers · asked by Anonymous in Weather

2006-09-23 11:09:54 · 6 answers · asked by I-C-U 5 in Biology

2006-09-23 11:09:37 · 5 answers · asked by tjcsonofallnations 3 in Physics

calculus question, : express using interval notation. can someone explain wat it means. and answer the question -5____________2?
thx

2006-09-23 11:07:25 · 3 answers · asked by speeds3mu 1 in Mathematics

It is possible to calculate the energy of an ocean wave in terms of total energy per unit area of wave ,Ew , using the following equation.

Ew = 1/8 (pgh2)


Where P is the density of water, g is the acceleration due to gravity, and h is the wave height.

Calculate Ew using the appropriate SI units and the following values of p,g and h.

Show all your working and express your answer in scientific notation.

p = 1.03 x 103 kg m-3

g = 9.8 m s -2 Meters per second

H = 145 cm

2006-09-23 11:04:03 · 5 answers · asked by Anonymous in Mathematics

Obviously the proof would need to be verifiable by a university, or anybody else other than NASA.

2006-09-23 11:04:01 · 4 answers · asked by andrew b 1 in Other - Science

A. Earth rotates faster than the planet Saturn.
B. Saturn and Jupiter have about the same mass.
C. Saturn and Jupiter both have a large number of moons.
D. Only Saturn has a system of rings around it.

2006-09-23 11:02:17 · 5 answers · asked by Anonymous in Earth Sciences & Geology

how many months in 900 years?

2006-09-23 11:01:44 · 17 answers · asked by la 1 in Mathematics

2006-09-23 11:01:18 · 6 answers · asked by ryoheisukichan 1 in Astronomy & Space

Which of the following is incorrect?

A. Most of the sun's mass is made up of helium.
B. Nuclear fusion in the sun produces helium.
C. Helium in the sun comes from the fusion of hydrogen nuclei.
D. In the sun, neutrons are produced in the process of nuclear fusion.

2006-09-23 10:59:26 · 4 answers · asked by Anonymous in Earth Sciences & Geology

A ball is shot from the ground into the air. At a height of 9.1m, its velocity is (7.6i+6.1j)m/s. (i horizontal and j upward)
a) to what max. height does the ball rise?
b) what horizontal distance does the ball travel
(X-Xo=(Vo.COSangle)t right?)
c) what are the magitude and d) angle (below the horizontal) of the ball's velocity just before it hits the ground?


I did figure some parts out; since i is horiz. and j is upward the ball is still climbing. The magnitude of v is sq root of (7.6^2)+(6.1^2)=9.75 m/s and the angle at that moment is arctan(6.1/7.6) = 38.75degr.

I thought by calculating the horizontal range R I would get somewhere but I'm stuck again.
I think with the instantaneous velocity after 9.1m I must be able to calculate the t and the Vo and go from there but how?
Who can help me?

2006-09-23 10:56:35 · 4 answers · asked by dutchess 2 in Physics

In the following question find the SI unit of A.

A = square root of hc / G

and where the SI unit of h is Js

The SI unit of c is Ms-1

The SI unit of G is J m Kg -2

2006-09-23 10:56:26 · 4 answers · asked by Anonymous in Mathematics

the square of a number is 56 more than the number its self. what is the number?

2006-09-23 10:56:24 · 9 answers · asked by ballet_tigger 3 in Mathematics

In hABC, b=3, c=4, and A=45degrees. Expreesed in simplest radical form, what is the area of hABC?
What i want to find out is what is the meaning of "h" in "hABC"?

2006-09-23 10:55:40 · 3 answers · asked by Anonymous in Mathematics

Remember infinity is THAT number

2006-09-23 10:54:28 · 11 answers · asked by doorseeker 1 in Mathematics

2006-09-23 10:53:53 · 8 answers · asked by C.C. 4 in Engineering

2006-09-23 10:51:07 · 10 answers · asked by @@@Marty@@@ 1 in Physics

2006-09-23 10:50:34 · 10 answers · asked by tjcsonofallnations 3 in Biology

Write balanced net ionic equations for reactions that produced a precipitate containing the magnesium ion (Mg2+)
I have Hydroxide (OH^1-), Carbonate (CO3^2-) and Phosphate (PO4^3-)
i think the first is MgOH2
i dont know the carbonate or phosphate one. help please?

2006-09-23 10:49:26 · 2 answers · asked by No Know 4 in Chemistry

how much is king tut's body actually worth. i personally would think it would be priceless because of all of the history in it and it is so ancient.

2006-09-23 10:48:12 · 4 answers · asked by Zachery P 1 in Biology

I'm looking for a way for 12 people to compete in a tournament without any overlaps or vacancies. Every player should be able to play an equal amount of rounds and the double elimination bracket should not lead to the final unfairly; the champion should always be able to lose one game.

Also, I'm looking for how to rank the players when 8 of the players have known records and 4 of the players are invited.

2006-09-23 10:47:57 · 4 answers · asked by Mikey C 5 in Mathematics

it hurts a lot but i wont stop till i can fly jus waitin on my broken leg to mend

2006-09-23 10:47:50 · 8 answers · asked by mico 2 in Earth Sciences & Geology

why x,y,z is the variables we always use in math...what its history....

2006-09-23 10:47:20 · 3 answers · asked by Kaye Jayne A 1 in Mathematics

2006-09-23 10:46:23 · 17 answers · asked by hobble36 2 in Mathematics