Simple Nature - Light and Matter

k/Example 5. The big trian- gle has four times more area than the little one. l/A tricky way of solving ex- ample 5, explained i ...

m/Example 6. The big sphere has 125 times more volume than the little one. n/Example 7. The 48-point “S” has 1.78 times more are ...

Scaling of a more complex shape example 7 .The first letter “S” in figure n is in a 36-point font, the second in 48-point. How m ...

o/Can you guess how many jelly beans are in the jar? If you try to guess directly, you will almost certainly underestimate. The ...

dimensions of the bin are probably 4 m×2 m×1 m, for a vol- ume of 8 m^3. Since the whole thing is just an order-of-magnitude est ...

Don’t even attempt more than one significant figure of preci- sion. Don’t guess area, volume, or mass directly. Guess linear di ...

Problems The symbols √ , , etc. are explained on page 53. 1 Correct use of a calculator: (a) Calculate53222+97554^74658 on a cal ...

Problem 10. Problem 12. mean, however, is defined as (ab)^1 /^2 (i.e., the square root ofab). For the sake of definiteness, let’ ...

14 You are looking into a deep well. It is dark, and you cannot see the bottom. You want to find out how deep it is, so you drop ...

(d) Find the person’s acceleration,a, as a function of time. √ (e) Use your answer from part (d) to show that if she waits long ...

from rest with an acceleration of 10 m/s^2. This is really only a lower limit; if there really was a hole that deep, the fall wo ...

Albert Einstein, and his mous- tache, problem 35. Problem 40. release 100 times more energy than an 8.3. The energy spreads out ...

Problem 42. Problem 43. 41 Estimate the number of man-hours required for building the Great Wall of China. .Solution, p. 1034 42 ...

√ An answer check is available at http://www.lightandmatter.com. 54 Chapter 0 Introduction and Review ...

The universe has been recycling its contents ever since the Big Bang, 13.7 billion years ago. Chapter 1 Conservation of Mass It ...

a/Portrait of Monsieur Lavoisier and His Wife, by Jacques-Louis David, 1788. Lavoisier invented the concept of conservation of m ...

c/A measurement of inertial mass: the wagon recoils with the same velocity in experiments 1 and 2, establishing that the inertia ...

f/Example 1. 1.1.1 Problem-solving techniques How do we use a conservation law, such as conservation of mass, to solve problems? ...

yesterday’s. One way of stating a conservation law is that for a closed system, the total amount of stuff (mass, in this chapter ...

a/The two pendulum bobs are constructed with equal grav- itational masses. If their inertial masses are also equal, then each pe ...