Homework 1, due Mon April 4, 2011
		Physics 12: Spring 2011

Ristinen and Kraushaar, Chap 1:  Questions and Problems:  1-6, 12
			Chap 1: Multiple Choice: 1,2,5,6
			Chap 2: Multiple Choice: 1


1. How big is a trillion?  
There are a about a trillion barrels of oil in the world's current reserves,
the value total of the U.S. stock market is around 20 trillion dollars, and
the cost of the wars in Iraq and Afghanistan has been around 1 trillion dollars.
How big is a trillion?  
If there are around 250 bills in a 1 inch stack, how high would a stack
of $1000 dollar bills be to total $1,000,000,000,000 (1 trillion dollars)?  
The highest U.S. bill is currently the $100 bill; how high would that stack be?
Think of another way of explaining to someone how big is a trillion.

2. Bernie Maddof, ex-chairman of NASDAC stock exchange, went to prison 
for cheating investors out of more than 50 billion dollars.  
He told his rich clients that he could guarantee 20% yearly return forever. 
a. Is this possible? Why or why not?
b. If your Mom invested $500,000 in 1965, how much would she have thought she 
had in 2008, when Madoff was arrested? 
c. Suppose you eventually inherited the account and waited until 2065.  
How much money would you think had?