Aer E 160 Spring 2009 Exam 1 Name: _________________________________
1. The creators of the 1978 television series,
Battlestar Galactica
, created a set of unique units to use on the show. Table 1 shows a
few of these units, the dimension they correspond to, and equivalent American units.
Table 1. Battlestar Gallacta Units and Approximate Equivalents from http://en.wikipedia.org/wiki/Battlestar_Galactica_units.
Dimension English Base Units Battlestar Galactica Units Conversions
Length Foot,
ft
Metron 1.00
ft
= 0.305 Metron
Weight Pounds-Force,
lbf
Laxon 56
lbf
= 1.0 Laxon
Time Seconds,
s
Micron 1.0
s
= 1.0 Micron
Unfortunately, no units were ever defined for mass. Pretend you were writing a new episode for the show in which you created a
universal mass unit called a Univon, which is equivalent to 1.0 kg in SI units. What is the value of
gc
in terms of
Battlestar Galactica
units.
2. The “Origin Symbol,” representing Earth in Stargate SG-1 (http://en.wikipedia.org/wiki/Dial-Home_Device#Dial-Home_Device) is,
Write a complete FORTRAN program that uses a combination of spaces, capital letter O, forward and backward slashes, and
underscores to recreate (display) this symbol on the screen. The code should write out a minimum of 4 lines. Demonstrate that the
program works to the grader.