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Wed Jul 18 15:40:35 2007 UTC (5 years, 10 months ago) by jjholt
File size: 1355 byte(s)
Added Stew6e tags.


    1 ## DESCRIPTION
2 ## Calculus
3 ## ENDDESCRIPTION
4
5 ## KEYWORDS('vectors', 'acceleration')
6 ## Tagged by YL
7
8 ## DBsubject('Calculus')
9 ## DBchapter('Vector Functions')
10 ## DBsection('Derivatives and Integrals of Vector Functions')
11 ## Date('')
12 ## Author('')
13 ## Institution('ASU')
14 ## TitleText1('Calculus: Early Transcendentals')
15 ## EditionText1('5')
16 ## AuthorText1('Stewart')
17 ## Section1('13.2')
18 ## Problem1('')
19
20 ## TitleText2('Calculus: Early Transcendentals')
21 ## EditionText2('6')
22 ## AuthorText2('Stewart')
23 ## Section2('13.2')
24 ## Problem2('')
25
26 DOCUMENT();        # This should be the first executable line in the problem.
27
28 loadMacros("PG.pl",
29            "PGbasicmacros.pl",
30            "PGchoicemacros.pl",
31            "PGanswermacros.pl",
32            "PGauxiliaryFunctions.pl");
33
34 TEXT( beginproblem() );
35 $showPartialCorrectAnswers = 1; 36 37$a = non_zero_random( -8, 8, 1 );
38 $b = non_zero_random( -8, 8, 1 ); 39 40 41 BEGIN_TEXT 42 43 If $$\mathbf{r} (t) = \cos (b t) \mathbf{i} + \sin (b t) \mathbf{j} + a t \mathbf{k}$$, 44 compute the tangential and normal components of the acceleration vector. 45$PAR
46  Tangential component  $$\; a_T (t) =$$ \{ans_rule(15)\}
47 $PAR 48 Normal component $$\; a_N (t) =$$ \{ans_rule(15)\} 49 50 END_TEXT 51 52 ANS(fun_cmp(0, vars=>"t")); 53 ANS(fun_cmp($b**2, vars=>"t"));
54
55 ENDDOCUMENT();        # This should be the last executable line in the problem.


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