Science & Mathematics - 24 October 2006

Ok, this has been bugging for some time now. Can someone please explain to me what the heck is the difference between a function being holomorphic and a function being differentiable?

They look like the SAME EXACT THING but my textbook says that being holomorphic is stronger than being differentiable.

2006-10-24 17:55:16 · 4 answers · asked by The Prince 6 in Mathematics

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physics question (running vs. walking)?

I remember in physics my teacher said that running and walking ended up burning the same calories according to the formula intensity = rate * time....like if you run 6 miles and it takes 20 minutes that eqals an intensity of 120.... which is the same as if you walk 4 miles and it takes 30 minutes since that equals to be an intensity of 120? I mean it seems common sense that its harder to run than walk, but then again this formula makes sense too...

2006-10-24 17:55:07 · 8 answers · asked by Sarah 4 in Physics

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cambium and meristem?

why is cambium considered to be lateral meristem?
the word meristem has been derived from which greek word:'moistos 'or 'meristo'?

2006-10-24 17:55:03 · 6 answers · asked by cousin 1 in Botany

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Which color on the color spectrum absorbs more light?

I need to know for a science experiment.

2006-10-24 17:54:47 · 4 answers · asked by lilcrazydazy 1 in Physics

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What are the driving forces behind an endothermic rxn?

2006-10-24 17:50:48 · 6 answers · asked by Jacqueline 2 in Chemistry

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Question For Intelligent People about Biology and Genetics?

Here is a very possible scenario:

Human population continues to grow exponentially. Eventually, resources are depleted, pollution is rampant, and the population will suffer a steep crash as is the case in laboratory population tests using bacteria in petri dishes etc. Perhaps even nuclear wars over resources etc.

End result: Oceans are virtually lifeless, hardly any trees, pollution covers entire earth, no wildlife, no humans..

The only animals that seem to posses the resiliance to survive in such environments are primarily rats and bugs/roaches.

Here is the question:

Considering what we know about genetics, in terms of evolution, and biology, would planet earth (assuming there are no more humans) recover and again produce the variety of wildlife and plant species it once had?

Also considering that there would be a massive population of rats and roaches, would newly evolved species even stand a chance against these resiliant animals? Or would they be immediately killed off?

2006-10-24 17:46:59 · 10 answers · asked by Anonymous in Biology

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How do I solve this problem? You have 30 gallons of a drink that is 25% juice. How many gallons of a drink....

How do I solve this problem?

You have 30 gallons of a drink that is 25% juice. How many gallons of a drink that is 10% juice must be added to produce a drink that is 15% juice?

Thank you!

2006-10-24 17:42:40 · 5 answers · asked by jill_andrews32 1 in Mathematics

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Derivative of tanx=sec^2x, Proof?

Is there a way to prove this using only the definition of the derivative (that is, the difference quotient)?

All help is greatly appreciated.

2006-10-24 17:36:18 · 3 answers · asked by Anonymous in Mathematics

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Phyisics Question kinda hard.....lol?

A boat begins on the east side of a river and heads straight WEST acress the river with a speed of 3.7m/s(realtive to the water). The river flows SOUTH at a speed of 1.8m/s(realtive to the shore). The resultant velocity of the boat (realtive to the shore) is approxmately__m/s at __degrees (CCW from east).

A. 1.90 B. 4.11 C. 5.50 D. 203.6 E. 205.9 F. 209.1
G. 222.0 H.227.7 I. 228.0 J. 240.9 K. 244.1 L. 246.3
M. None of these are even close to the correct magnitude.
N. None of these are even close to the correct direction.

2006-10-24 17:36:03 · 3 answers · asked by "G" 1 in Physics

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Is it correct? Ln(-x) = -Ln(x)?

2006-10-24 17:33:23 · 6 answers · asked by Anonymous in Mathematics

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cellular respiration is similar to photosynthesis in that they both?

2006-10-24 17:31:01 · 3 answers · asked by Steph 1 in Biology

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I need chem help please?

A sample of 4.00 g of methane os mixed with15.0 grams of chlorine determine the limiting reactant according to the chem equa : CH4+4Cl2->CCl4+4HCl
what is the max mass of CCl4 that can be formed

2006-10-24 17:25:07 · 3 answers · asked by coolpuffin 2 in Chemistry

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Wave Velocity Calculation... QUICK PTS!?

Given the formula: wave velocity= wavelength/period
Please determine the velocity of this wave in FEET PER SECOND and MILES PER HOUR. Assume the wavelength is 30 feet and the period is 10 seconds. Remember 1 mile= 5280 feet.

I need to know how to do this. I am confused. Thanks!!!

2006-10-24 17:23:44 · 4 answers · asked by Anonymous in Physics

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Plate Tectonics question?? QUICK PTS.?

What are four pieces of evidence that support the theory of plate tectonics? Explain how or why they support the theory. I need the WHOLE answer. Thanks. Quick points.

2006-10-24 17:18:08 · 4 answers · asked by Anonymous in Earth Sciences & Geology

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Help Please.?

I know the four factors (nature of reactant, concentration& surface area, temperature, and catalyst) that may have an impact on systems at equilibrium, but I can’t answer the three below questions.

1. Which three of these factors can cause equilibrium shifts?
2. Which one of the factors can both cause equilibrium shifts and change the value of the equilibrium constant?
3. Which one of these factors can neither change the value of the constant nor cause equilibrium shifts?

2006-10-24 17:17:40 · 1 answers · asked by Kameliya 2 in Chemistry

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Does anybody know who to prove that for any two integers, a^2 + b^2 > 2ab?

2006-10-24 17:17:17 · 9 answers · asked by rancoredboa 1 in Mathematics