Other - Science - June 2007

Question about concrete foundation ( Pressure Engineering) PLEASE HELP?

A load of 12 tonnes is applied through a steel column onto a reinforced square concrete pad foundation. If the bearing capacity of the soil is 120KN/M2 and a factor of safety of 3 is to be applied,
Foundation area required is therefore
LOAD = 12TONNES = 12X 9.8067 KN.
ALLOWABLE BEARING STRESS = 12O/3 = 40 KN/MSQ.
FOUNDATION AREA = 12X 9.8067/40 = 2.942SQ.M

But, if the same load was applied over each metre run of a wall to be supported on a strip foundation, what minimum width of foundation would then be required, assuming the same bearing capacity and factor of safety were applied??????.

2007-06-04 23:27:17 · 1 answers · asked by Anonymous

in long term memory the nucleus of the neuron that received that information so many times is determined to synthetize new proteins that increase the shape of the synapse. my question is: are those proteins genetically codified and if not how does the nucleus know their structure in order to synthetize them? i would appreciate some examples of such proteins

2007-06-04 23:20:44 · 2 answers · asked by erzebet 2

What do u know about potential energy??

2007-06-04 15:29:40 · 7 answers · asked by adoRee 2

Fill in the blanks to make a word instead of emerge.

2007-06-04 14:35:13 · 4 answers · asked by Xiao G 1

why should the light be different if the sun is the same distance compared to the horizon?

2007-06-04 10:35:19 · 5 answers · asked by Anonymous

2007-06-04 09:52:45 · 11 answers · asked by Suhas B 1

I would like to know people opinons what they think happen to the dinosaurs?

2007-06-04 09:28:52 · 8 answers · asked by Anonymous

how much would it cost to provide wind energy to produce and cost a comsumer??

2007-06-04 09:22:23 · 2 answers · asked by Sivanna 1

In the first chapter, why is the author telling me stuff about Euclidean geometry, Plato's ideal world, the axiom of choice and everything else? I can't see the relationships between the information he provided in chapter 1 with the rest of the book.

Also, do you think that this book is too advanced for me, and what do you think the age limit is for this book?
- Have no prior experience in physics
- Only gone through Calculus 1 and most of Calculus 2
-I am pretty good at math
- I am 17 years old

2007-06-04 09:19:35 · 2 answers · asked by Anonymous

is it or is it just science fiction?

2007-06-04 07:38:06 · 7 answers · asked by Anonymous

2007-06-04 06:45:16 · 7 answers · asked by brian l 1

2007-06-04 06:37:12 · 6 answers · asked by Anonymous

2007-06-04 03:54:43 · 5 answers · asked by Diane S 1

2007-06-03 22:37:26 · 5 answers · asked by Anonymous

Hey guys! Im giving 10 points to whoever gives the best and shortest explanation.

Differentiate Science From Tehcnology.

2007-06-03 21:17:21 · 8 answers · asked by Will 1

2007-06-03 20:14:39 · 1 answers · asked by JYOTI S 1

True or False: Breathing and respiration are the same thing. Explain completely!

2007-06-03 19:32:23 · 5 answers · asked by Sarah S 3

CO2, methane & other greenhouse gases are said to be greenhouse-effect-inducing gases. How do they retain heat? Does the bonding angle change when being stroke by infrared?

2007-06-03 17:33:11 · 3 answers · asked by high-lighter 3

I have heard this for years but cannot find any source to confirm this. Does Anyone have any confirmation on this?

2007-06-03 15:29:05 · 5 answers · asked by Anonymous

For example, there is no way to measure PAIN scientifically - you have to look at someone's face or rely on what they tell you.

2007-06-03 15:14:37 · 15 answers · asked by jimjones3 4

the sandpaper sorting is when you close your eyes and you try to sort out a variety of sandpaper from roughest to not roughest.

2007-06-03 15:05:25 · 1 answers · asked by hey 2

2007-06-03 14:47:10 · 2 answers · asked by liddleluss 1

Did local temperature, altitude, terrain, and other physical attributes of a country directly influence the initial development of its native language? Also, does this theory of mine explain why dialects exists within a language? Lastly, does two nationalities speaking two different languages have similar phonetics based on the physiological effects of the mouth and face forced by their common surroundings/climates?

2007-06-03 12:15:58 · 3 answers · asked by cpc26ca 1

2007-06-03 11:58:53 · 14 answers · asked by michael l 1

2007-06-03 11:14:01 · 13 answers · asked by Gypsy Gal 6

2007-06-03 10:40:20 · 3 answers · asked by broncosnation5 1

Birds fly in V-shape in order to save energy from the vortexes produced by the front birds. How do the vortexes create uplift thrust?

2007-06-03 06:42:43 · 2 answers · asked by high-lighter 3

10 points for the best answer!!!!!!!!!!
I want to be a nanotechnologist.What are qualities to be developed from childhood??
thanks

2007-06-03 06:33:25 · 9 answers · asked by sciencelikhita 2

As reported by NPR on June 1st.

2007-06-03 05:48:06 · 7 answers · asked by Anonymous

2007-06-03 04:52:24 · 6 answers · asked by hello 3