I am working on my Chemistry homework for this college class but I am having trouble with this question.

At 3.00 m from a radioactive source the intensity of its gamma radiation is 202 roentgen. How far away would we need to be reduce the intensity to 4.64 roentgen.

2006-07-15 11:28:48 · 3 answers · asked by blynn 1 in Chemistry

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How much electricity does my clothes dryer use?

How do I determine how much electricity my clothes dryer uses during a one hour drying cycle? Ultimately, I want to know how much one drying cycle costs. We use the high heat option, normally. This question also posted in Laundry & Cleaning area.

2006-07-15 11:06:22 · 7 answers · asked by TheGracies 1 in Engineering

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What is the best way to attract Humming Birds to a new feeder?

2006-07-15 11:02:20 · 8 answers · asked by eloot_14580 1 in Biology

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Who is from Rochester,Ny?

2006-07-15 10:51:49 · 5 answers · asked by Anonymous in Geography

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What would you do with a TIME MACHINE!!!!!?

2006-07-15 10:47:46 · 37 answers · asked by halloween_of_86@sbcglobal.net 1 in Physics

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what sound does an earthworm make?

2006-07-15 10:40:25 · 8 answers · asked by barah 1 in Biology

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Why is chest x-ray and ECG done prior to surgery?

2006-07-15 10:27:04 · 5 answers · asked by Vinoo C 1 in Medicine

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Thought experiment: If it could be proven that God exists, would you want to know?

I have observed that although scientists believe they are objective when it comes to theories of the origin of the universe, the earth and species, that there is an almost unquestioned assumption among many that God does not exist and the material universe is all there is.

In my opinion, in some ways many scientists have raised the notion of scientifiic materialism to the status of an infallible doctrine. Therefore, in this respect, they are not that much different from religious fundamentalists with their own infallible doctrines.

Yet, instead of having closed their minds, shouldn't scientists always be searching for truth and seeking a higher understanding of life, where ever it leads?

What do you think?

2006-07-15 10:24:13 · 4 answers · asked by Anonymous in Other - Science

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what are some examples of cross breeded plants?

2006-07-15 10:21:57 · 14 answers · asked by Anonymous in Botany

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Is it hypothetically possible to use a tank full of fluid to isolate a living body from g-forces?

Would the fluid provide enough resistance to the flesh to accelerate it at roughly the same speed as the surrounding mass, and protect it from massive g-force damage?

2006-07-15 10:17:09 · 10 answers · asked by ian_eadgbe 3 in Physics

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controls the amount of light that enters the eye?

iris,retina,cones,rods,optic nerve,pupil

2006-07-15 10:12:25 · 5 answers · asked by monkey~luvs~money 1 in Physics

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an opening throught which lightenters the eye?

iris,retina,cones,rods,optic nerve,pupil

2006-07-15 10:10:35 · 4 answers · asked by monkey~luvs~money 1 in Physics

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What continent is Russia considered a part of? Europe or Asia?

2006-07-15 10:02:15 · 11 answers · asked by Anonymous in Geography

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What is sigmoidoscopy and what nursing care is given to carry sigmoidoscopy?

2006-07-15 10:00:58 · 7 answers · asked by Vinoo C 1 in Medicine

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why is the sky blue?

2006-07-15 09:53:17 · 20 answers · asked by opitmdotcom 3 in Astronomy & Space

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Are there any special properties of glass subjected to extremely high pressures?

Does glass just become another kind of rock when there are thousands or millions of tons of pressure, or is it like charcoal, where I've heard it can become diamonds, or something else with special properties?

2006-07-15 09:47:53 · 2 answers · asked by NathanCoppedge 6 in Earth Sciences & Geology

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