By Paul W. Zitzewitz
ISBN-10: 1578593050
ISBN-13: 9781578593057
EISBN-13: 978-1-57859-305-7
Answers greater than 8 hundred questions on physics, starting from way of life functions to the most recent explorations within the box.
Excerpts
The convenient Physics solution Book
THE BASICS
What is physics?
Physics is the research of the constitution of the wildlife. It seeks to provide an explanation for usual phenomena when it comes to a entire theoretical constitution in mathematical shape. Physics is dependent upon actual instrumentation, targeted measurements, and the expression of ends up in mathematical phrases. It describes and explains the movement of items which are topic to forces. Physics varieties the root of chemistry, biology, geology, and astronomy. even if those sciences contain the examine of platforms even more advanced than those who physicists examine, the elemental facets are all according to physics.
Physics can be utilized to engineering and know-how. as a result an information of physics is key in today’s technical international. For those purposes physics is usually referred to as the basic science.
What are the subfields of physics?
The note physics comes from the Greek physis, that means nature. Aristotle (384–322 B.C.E.) wrote the 1st recognized e-book entitled Physics, which consisted of a suite of 8 books that used to be a close learn of movement and its factors. the traditional Greek identify of the ebook is healthier translated as Natural Philosophy, or writings approximately nature. for this reason, those that studied the workings of nature have been known as “Natural Philosophers.” They have been trained in philosophy and known as themselves philosophers. one of many early glossy textbooks that used physics in its identify used to be released in 1732. It was once now not until eventually the 1800s that those that studied physics have been referred to as physicists. within the 19th, 20th, and twenty-first centuries physics has confirmed to be a really huge and demanding box of research. as a result of large breadth of physics, physicists this day needs to focus their paintings in a single or of the subfields of physics. an important of those fields are indexed below.
Quantum mechanics and relativity— either one of those fields learn the descriptions and factors of ways small debris engage (quantum physics), the movement of gadgets relocating close to the rate of sunshine (special relativity), and the motives and results of gravity (general relativity).
Elementary debris and fields—The examine of the debris which are the foundation of all subject. either their homes and their interactions are included.
Nuclear physics—The research of the homes of the nuclei of atoms and the protons and neutrons of which they're composed.
Atomic and molecular physics—The research of unmarried atoms and molecules which are made from those atoms. experiences comprise interactions with one another and with light.
Condensed topic physics—Otherwise referred to as solid-state physics, condensed topic is a research of the actual and electric homes of stable fabrics. a thrilling new research is that of nano fabrics, resulting in nanotechnology.
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Additional resources for The Handy Physics Answer Book (2nd Edition)
Example text
Group A consisted of old, ill and single persons unable to support themselves financially. Their diet had a high proportion of 'forest gifts'. Group B, consisting of self-supporting young families with children, consuming a limited amount of 'forest gifts'. The average daily intake of each food product and its 137Cs content were calculated. The extent of decontamination due to culinary processing was factored into the estimates for internal exposure dose (transfer coefficient of 14nSv/consumed Bq).
Borschenko V. et all. Peculiarities of the internal and external exposure dose forming of the rural population of Exclusion zone // Visnyk of Agrarian Science. – April 2001. – P. 86–89. , Skuterud L. , 1996. Exposure doses from consumption of agricultural and semi-natural products, The radiological consequences of the Chernobyl accident: Proc. of the 1-st Intern. conf. (Minsk, Belarus, 18-22 March, 1996), Luxembourg, pp. 261-269. , 1996. Intake of radionuclides to man, in: Transfer of radionuclides to animals, their comparative importance under different agricultural ecosystems and appropriate countermeasures, Final Report of ECP-9 - EUR 16539EN, Luxembourg, pp.
The soil in this area was highly contaminated with TNT and its transformation products. On-site concentrations of up to 50g/kg TNT were measured. A concentration of around 1g/kg was retained at 1m below the surface. Crystalline TNT (Figure 1) was identified in the soil in the vicinity of the pond inlet. Very high TNT concentrations were present in clay layers within the sandy soil. The whole contaminated area was about 2,000m². (Gerth et al. 2005) As a result of the risk assessment, a programme of soil remediation was considered necessary to protect the environment.
The Handy Physics Answer Book (2nd Edition) by Paul W. Zitzewitz
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