Name: ______________________
Quiz 1
02/22/2005
Ch. 1
1)
Find
,
,
, and 
for the following
vectors 
and 
:
a)
b)
c)
d)
, assume W is along 
and N is along 
.
2)
What
is 
?
3)
Estimate
the number of cars in the United States.
Give a brief outline of your reasoning.