WebworkProblemNTC

       Problem2
ERROR caught by Translator while processing problem file:JoshAstroProblems/Chapter00/Problem02.pg
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Missing operand after '*'; see position 5 of formula at line 92 of (eval 3057)
   Died within main::Formula called at line 92 of (eval 3057)
   from within main::Compute called at line 43 of (eval 2909)

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------Input Read
1		# DESCRIPTION
2		# Problem 2 from the Problem section
3		# of Astronomy: A Beginner's Guide to the
4		# Universe 6th Edition
5		# WeBWorK problem written by Joshua Bronston,
6		# <jbronston(at)navajotech(dot)edu>
7		# ENDDESCRIPTION
8
9		## DBsubject('Astronomy')
10		## DBchapter('Chapter 0')
11		## DBsection('Problems')
12		## KEYWORDS('')
13		## TitleText1('')
14		## EditionText1('')
15		## AuthorText1('')
16		## Section1('')
17		## Problem1('')
18		## Author('Joshua Bronston')
19		## Institution('Navajo Technical College')
20
21		DOCUMENT();
22		loadMacros(
23		"PGstandard.pl",
24		"MathObjects.pl",
25		"PGcourse.pl",
26		);
27
28		# make sure we're in the context we want
29		Context("Numeric");
30
31		@distance1 = (57.9,108.2,149.6,227.9,778.4,1427,2871,4498);
32		@distance3 = (57.9*(10**6),108.2*(10**6),149.6*(10**6),
33			227.9*(10**6),778.4*(10**6),1427*(10**6),2871*(10**6),4498*(10**6));
34		@planet1 = ("Mercury","Venus","Earth",
35			"Mars","Jupiter","Saturn","Uranus","Neptune");
36		@year1 = (.241,.612,1,1.88,11.86,29.42,83.75,163.7);
37		$num = random(0,8,1);
38
39		$distance2 = $distance3[$num];
40		$planet2 = $planet1[$num];
41		$year2 = $year1[$num];
42
43		$circum = Compute("pi*2*$distance2");
44		$day = $circum / ($year2 * 365);
45		$hour = $day/24;
46		$second = $hour/3600;
47
48		Context()->texStrings;
49
50		TEXT(beginproblem());
51		Context()->texStrings;
52		BEGIN_TEXT
53		Given that the distance from \($planet2\) to the Sun is \($distance1[$num]\)x\(10^6\) km, through
54		what distance does \($planet2\) move in a second? An hour? A day? $BR (HINT: Use Table 3A in Appendix 3 in your book. 1 Tropical Year = 1 Earth Year.)
55		$PAR
56		distance traveled in a second = \{ ans_rule(4) \} km
57		$PAR
58		distance traveled in an hour = \{ ans_rule(4) \} km
59		$PAR
60		distance traveled in a day = \{ ans_rule(4) \} km
61		END_TEXT
62		Context("Numeric");
63
64		ANS( $second->cmp());
65		ANS( $hour->cmp());
66		ANS( $day->cmp());
67
68		Context()->texStrings;
69		SOLUTION(EV3(<<'END_SOLUTION'));
70		$PAR SOLUTION $PAR
71
72		END_SOLUTION
73		Context()->normalStrings;
74
75		ENDDOCUMENT();

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