Simple Nature - Light and Matter

35 The nucleus^168 Er (erbium-168) contains 68 protons (which is what makes it a nucleus of the element erbium) and 100 neutrons ...

.Solution, p. 1039 38 Suppose an object has massm, and moment of inertiaIo for rotation about some axis A passing through its ce ...

Problem 42. Problem 43. Problem 46. Problem 47. 42 The figure shows a tabletop experiment that can be used to determine an unkno ...

√ An answer check is available at http://www.lightandmatter.com. 304 Chapter 4 Conservation of Angular Momentum ...

Exercises Exercise 4A: Torque Equipment: rulers with holes in them spring scales (two per group) While one person holds the pe ...

306 Chapter 4 Conservation of Angular Momentum ...

Chapter 5 Thermodynamics S=klogW Inscription on the tomb of Ludwig Boltzmann, 1844-1906. Boltzmann originated the microscopic th ...

can remember the past but not the future, and why it’s easier to break Humpty Dumpty than to put him back together again. 5.1 Pr ...

a/A simple pressure gauge consists of a cylinder open at one end, with a piston and a spring inside. The depth to which the spri ...

inside is equalized with the pressure outside, the inward and out- ward forces on your eardrums cancel out, and there is no phys ...

b/This doesn’t happen. If pressure could vary horizontally in equilibrium, the cube of water would accelerate horizontally. This ...

e/We have to wait for the thermometer to equilibrate its temperature with the temperature of Irene’s armpit. Pressure of lava un ...

f/Thermal equilibrium can be prevented. Otters have a coat of fur that traps air bubbles for in- sulation. If a swimming otter w ...

h/A simplified version of an ideal gas thermometer. The whole instrument is allowed to come into thermal equilibrium with the su ...

5.1.3 Heat “Heat,” notatedQ, is used in thermodynamics as a term for an amount of thermal energy that is transferred. When you p ...

j/Discussion questions A-C. that the following six forms are proposed for the “... ” in dE 1 /dt=k(...). T 1 T 2 T 1 −T 2 T 2 − ...

floor? The only possible answer is that they are in rapid motion, continually rebounding from the walls, floor and ceiling. In s ...

traveling a distance 2Lparallel to thexaxis between collisions with that wall. The time between collisions is ∆t= 2L/vx, and in ...

same. The Boltzmann constant is small because our energy scale of joules is a macroscopic scale, so that when we express the the ...

5.3 Entropy as a macroscopic quantity 5.3.1 Efficiency and grades of energy Some forms of energy are more convenient than others ...