Science & Mathematics - 2 November 2006

∫² ∫²4xydxdy ***(on the bottom of the first ∫ there’s a 0, the second ∫ there’s a y)***

2006-11-02 07:05:26 · 2 answers · asked by julia t 1 in Mathematics

2006-11-02 07:04:41 · 3 answers · asked by Joseph Brant 1 in Engineering

spirogyra, oedogonium, moss, fern, and pine?

2006-11-02 07:02:13 · 1 answers · asked by pingme03 2 in Botany

I'm making a Flash animation with a dolphin in it. It finds a beach ball and bounces it off his/her nose. What else do dolphins do to play with beach balls or just in water generally?

2006-11-02 07:01:05 · 4 answers · asked by untilyoucamealong04 3 in Zoology

A plane flying w/ wind flew 225 mi. in 2 hrs. Returning to origin, the plane flew against the wind and took 3 hrs. and 45 min. to cover the same distance. How fast was the wind blowing?

2006-11-02 07:00:09 · 4 answers · asked by Laura A 1 in Mathematics

I am doing this home work in stats and I need somebody's help. Thank you very much for anybody who can answer this question fast.

2006-11-02 06:58:43 · 1 answers · asked by sweetmia 2 in Mathematics

he/she can be from way back when people were created!!!!

2006-11-02 06:57:17 · 13 answers · asked by Anonymous in Earth Sciences & Geology

A car leaves a town at 44 miles per hour. Two hours later, a second car leaves the same town traveling the same route and overtakes the first car in 5 hours and 30 minutes. How fast was the second car traveling?

Enter your answer as a number without the units.

2006-11-02 06:57:11 · 6 answers · asked by Me 6 in Mathematics

Sex is like maths... all you do is add the bed subtract the clothes divide the legs and pray you don’t multiply.

2006-11-02 06:56:15 · 14 answers · asked by Anonymous in Mathematics

2006-11-02 06:51:25 · 4 answers · asked by swt_gls 1 in Physics

A skier traveling 12.4 m/s reaches the foot of a steady upward 17.4° incline and glides 13.9 m up along this slope before coming to rest. What was the average coefficient of friction?

How would solve this?

2006-11-02 06:51:16 · 3 answers · asked by Isabel G 1 in Physics

I need a switch circuit designed for me that uses a Hall Effect, Reflective or Slotted Optical switch with an adjustable delay timer from 0 to few seconds.
My power supply is 12 or 24 volts, Power that will run though the switch is 5 volts.
Need momentary on to 5 volts and to be able to adjust that from 0 to a few seconds after the sensor triggers.
Your help will be much appreciated.

bmklawt

2006-11-02 06:51:11 · 3 answers · asked by bmklawt 2 in Engineering

2006-11-02 06:50:07 · 9 answers · asked by Anonymous in Mathematics

2006-11-02 06:48:53 · 3 answers · asked by mahan 1 in Physics

me and my friend are doing a science project and we need help. please try and find some INTERESTING facts about short eared owls. Please help us. Thanks!!

2006-11-02 06:48:41 · 4 answers · asked by Anonymous in Zoology

Was this a bolide?

2006-11-02 06:47:08 · 5 answers · asked by ? 6 in Astronomy & Space

I need help on the Net Ionic equation for Alum. The equation is:

2Al(s) + 2KOH(aq) + 6H2O(l) --> 2Al(OH)4-(aq) + 2K+(aq) + 3H2(g)

I am in AP chem and sometimes the teacher gets the problem wrong and he couldn't explain this one very well, so I decided to come here for help.

If you could also list the steps that would be really helpful.

Thanks,
Albert

2006-11-02 06:46:04 · 6 answers · asked by altech6983@sbcglobal.net 2 in Chemistry

Emergency Medical Class

2006-11-02 06:45:06 · 2 answers · asked by Raven H 1 in Medicine

A sidewalk a = 4 feet wide surrounds a rectangular plot of ground that measures b = 75 feet by c = 80 feet. Find the area of the sidewalk.

Enter the answer as a number without the units.

How do you get the answer

2006-11-02 06:44:48 · 11 answers · asked by Me 6 in Mathematics

Is there proof that motion is radial?The motion of mass structures in our galaxy dont move radialy but in a spiral as is the case of our solar system?

2006-11-02 06:43:51 · 1 answers · asked by goring 6 in Physics

Would this be true for an astronaut in orbit?

2006-11-02 06:41:27 · 9 answers · asked by whoknows 1 in Physics

show working please

2006-11-02 06:40:50 · 4 answers · asked by Anonymous in Mathematics

give data for reason.

2006-11-02 06:40:02 · 8 answers · asked by ? 6 in Astronomy & Space

A balloon is filled to a volume of 69.0 mL at a temperature of 49.0oC.
The balloon is then heated up at constant pressure to a temperature of 89.0oC.
What is the final volume of this balloon, in liters?

help :(

2006-11-02 06:39:21 · 1 answers · asked by Anonymous in Chemistry

does anyone else besides our government have the technology of wormholes? can someone explain wormholes to me?

2006-11-02 06:39:06 · 5 answers · asked by T-Luv 4 in Astronomy & Space

I know it depends a lot on the velocity and guage of the bullet being fired at it, but how think does steel have to be to become bulletproof?

2006-11-02 06:38:05 · 5 answers · asked by Brett R 2 in Physics

2006-11-02 06:37:40 · 20 answers · asked by Anonymous in Mathematics

x + (x +1) = 43

B.
x + (x +2)3 = 4

C.
x + (x + 2) = 43

D.
none of these

2006-11-02 06:36:07 · 8 answers · asked by Anonymous in Mathematics

2006-11-02 06:35:42 · 5 answers · asked by A R 3 in Weather

2006-11-02 06:33:35 · 15 answers · asked by dogehr 1 in Zoology