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Israel Kovner

105035
Aug 2005
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  • Responses: 465

Education

  • MSc, Gorkiy State, Gorkiy, Russia, 1972
  • PhD, The Weizmann Institute, Rehovot, Israel, 1984

Subjects

  • Physics
  • Mathematics
  • Computer Science
  • Languages

Israel's BrainMass Content

Solution Library

Calculate the break-even product value of using Express Mail (overnight delivery) versus Parcel Post (three-day delivery) for sending a package from Peoria, Illinois to Memphis, Tennessee. The following table contains the appropriate costs. Assume that inventory carrying cost is 25 percent per year of the product value and that there are 365 days in a year.

Calculate the break-even product value of using Express Mail (overnight delivery) versus Parcel Post (three-day delivery) for sending a package from Peoria, Illinois to Memphis, Tennessee. The following table contains the appropriate costs. Assume that inventory carrying cost is 25 percent per year READ MORE »

Mathematics / Consumer Mathematics / Fractions and Percentages » 87656

Astronomy: Sun formation, planet detection, galaxy history

N. Evidence is strong that the formation of the Sun (and its family of planets) happened by the same processes as the formation of stars. Explain.

o. How are planets detected around other stars?

p. Did the Sun and solar system form in the first half or last half of our galaxy's history? Expl READ MORE »

Physics / Astrophysics and Atmospheric Physics / Astronomy / Solar System » 50912

Differential Equations : Bifurcations in Linear Systems

In Chapter 3, we have studied techniques for solving linear systems. Given the coefficient matrix for the system, we can use these techniques to classify the system, describe the qualitative behavior of solutions, and give a formula for the general solution. In this lab we consider a two-parameter f READ MORE »

Mathematics / Algebra / Linear Algebra » 152627

14 Modern Physics Questions

See attached file for full problem description.

1. A certain string on a piano is tuned to produce middle C
(f = 261.63 Hz) by carefully adjusting the tension is the string. For a
fixed wavelength, what is the frequency when this tension is
doubled?
a. 130.08 Hz
b. 185.00 Hz
c. 370.00 Hz
d READ MORE »

Physics / Light, Vision & Optics / Intensity / Photometry / Flux & Flux Density » 104489

Top Down, Stepwise refinement

Using top-down, stepwise refinement, create an algorithm for making toast, frying eggs, baking a cake, or ordering pizza. How might algorithms be beneficial in your future profession?

Computer Science / Software Development / Algorithms » 147952
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