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Results #1-#10 of 100+
__[ Computer Program ]__

**Binomial Coefficient Model**The Binomial Coefficient model displays the number of ways k objects can be chosen from among n objects when order is irrelevant. This number is known as a binomial coefficient and…

__[ Conference Proceedings ]__

**Student difficulties with concepts related to entropy, heat engines and the Carnot cycle**
T. Smith, W. Christensen, and J. Thompson,
PERC 2009 Proceedings, 277-280.

We report the rationale behind and preliminary results from a guided-inquiry conceptual worksheet (a.k.a. tutorial) dealing with Carnot’s efficiency and the Carnot cycle. The…

__[ Conference Proceedings ]__

**Student understanding of basic probability concepts in an upper-division thermal physics course**
M. Loverude,
PERC 2009 Proceedings, 189-192.

As part of ongoing research on student understanding in upper-division thermal physics, we developed a number of simple diagnostic questions designed to probe understanding of basic…

A. MacDonald,
Am. J. Phys.,

**63**(12), 1122-1127 (1995).A new statement of the second law of thermodynamics is given. The law leads almost effortlessly, for very general closed systems, to a definition of absolute entropy S, a…

D. Styer,
Am. J. Phys.,

**67**(12), 1094-1095 (1999).All too often, courses in thermodynamics and statistical mechanics barrage their students with numerous equations that are left unexamined and uninvestigated. This note explains how…

__[ Conference Proceedings ]__

**Student Estimates of Probability and Uncertainty in Advanced Laboratory and Statistical Physics Courses**
D. Mountcastle, B. Bucy, and J. Thompson,
PERC 2007 Proceedings, 152-155.

Equilibrium properties of macroscopic systems are highly predictable as n, the number of particles approaches and exceeds Avogadro's number; theories of statistical physics depend on…

__[ Conference Proceedings ]__

**What Is Entropy? Advanced Undergraduate Performance Comparing Ideal Gas Processes**
B. Bucy, J. Thompson, and D. Mountcastle,
PERC 2005 Proceedings, 81-84.

We report data on upper-level student understanding of entropy and the Second Law of Thermodynamics when comparing the isothermal and free expansions of an ideal gas. Data from pre-…

__[ Computer Program ]__

**Uniform Spherical Distribution Model**The EJS Uniform Spherical Distribution Model shows how to pick a random point on the surface of a sphere. It shows a distribution generated by (incorrectly) picking points using a…

__[ Computer Program ]__

**Random Walk 2D Model**The EJS Random Walk 2D Model simulates a 2-D random walk. You can change the number of walkers and probability of going a given direction. You can modify this simulation if you have…

__[ Computer Program ]__

**Random Walk 1D Continuous Model**The EJS Random Walk 1D Continuous Model simulates a 1-D random walk with a variable step size. You can change the number of walkers and probability of going right and left. You can…

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Results #1-#10 of 100+