- File Size: 2157 KB
- Print Length: 142 pages
- Page Numbers Source ISBN: 1520971141
- Publication Date: January 13, 2014
- Sold by: Amazon Digital Services LLC
- Language: English
- ASIN: B00G807Y00
- Text-to-Speech: Enabled
- Word Wise: Enabled
- Lending: Enabled
- Amazon Best Sellers Rank: #46,120 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
|Print List Price:||$4.95|
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Great Formulas Explained - Physics, Mathematics, Economics Kindle Edition
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Top customer reviews
From physics, M. Bextis has chosen: intensity, explosion, Mach cone, reverberation, Doppler, hurricanes, flow, traffic, gravity, projectile range, impact velocity, braking distance, centrifugal force, satellite speed, roller coaster loops, lift, airplane speed, momentum, energy forms, energy conservation, and heat.
From mathematics, he presents: trigonometry, circles and spheres, quadratic equations, logarithmic identity, harmonic series, geometric series, and the Poisson distribution.
From economics, he instructs about: inflation, doubling time and half-life, optimal price, annuity, queues, games of chance.
His appendices cover conversion factors, unit prefixes [tera to pico], and references for his topics.
The text is clear and accurate, yet conversational. As a retired physicist, I was familiar with many of the equations, but I still found it worthwhile to review and to deepen my understanding of related topics. I do some mentoring at openstudy.com, a site primarily for high school students, and I know that many of these equations have turned up in our discussions of their homework related to physics and math.
New to me were sections on acoustic reverberation, hurricanes, traffic, harmonic series, optimal pricing, annuities, and queues.
I intend to keep my copy of the book, on my Amazon kindle e-reader, near me as I interact with the students on-line at openstudy.com.
The explanations are well-written and easy to follow, you should be able to understand them without special knowledge. And the choice of formulas is diverse, there's always something new and interesting to discover. However, I'll only rate the book 4 stars because I felt that it missed depth in some parts. For example, I would have loved to have the historical background to the formulas or some more information on where they are applied.
All in all, a great book for those curious about science.
An example of this failure is the formula for momentum and the calculation for the momentum of a rocket. Clearly, the mass of the rocket changes as the rocket fuel is expended, so this needs to be taken into account. The same issues apply for computing momentum for cars and planes, which use up fuel as the travel (or even idle).
Clear and concise explanations, but you'll probably need a more complete work if you need to learn the derivation of whatever you're reading about or have 30-mumble years of rust on some area of your math schooling.