View of /trunk/NationalProblemLibrary/Rochester/setVectors5Coordinates/urvc_3_F.pg

    1 ## DESCRIPTION
    2 ##   Polar Coordinates Application
    3 ## ENDDESCRIPTION
    4 
    5 ## KEYWORDS('Coordinate', 'Polar')
    6 ## Tagged by nhamblet
    7 
    8 ## DBsubject('Calculus')
    9 ## DBchapter('Vectors and the Geometry of Space')
   10 ## DBsection('Cylindrical and Spherical Coordinates')
   11 ## Date('8/3/2000')
   12 ## Author('Joseph Neisendorfer')
   13 ## Institution('Rochester')
   14 ## TitleText1('')
   15 ## EditionText1('')
   16 ## AuthorText1('')
   17 ## Section1('')
   18 ## Problem1('')
   19 
   20 DOCUMENT();  # This should be the first executable line in the problem.
   21 
   22 loadMacros("PG.pl",
   23            "PGbasicmacros.pl",
   24            "PGchoicemacros.pl",
   25            "PGanswermacros.pl",
   26            "PGauxiliaryFunctions.pl"
   27           );
   28 
   29 TEXT(beginproblem());
   30 
   31 #Do not show partial correct answers
   32 $showPartialCorrectAnswers = 1;
   33 
   34 $mc = new_multiple_choice();
   35 
   36 $mc->qa(
   37   "If an astronomer is using polar coordinates, then which of the following is
   38   the most likely object of study?",
   39   "a solar system",
   40 );
   41 
   42 $mc->extra("a globular cluster", "a planet", "the whole universe");
   43 
   44 BEGIN_TEXT
   45 $PAR
   46 \{$mc->print_q\}$BR
   47 \{$mc->print_a\}
   48 END_TEXT
   49 
   50 ANS(str_cmp($mc->correct_ans) );
   51 
   52 ENDDOCUMENT();    # This should be the last executable line in the problem.