ma241exam2-c

ma241exam2-c - Spring 2007 Therkelsen MA 241 - Exam 2 (C)...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Spring 2007 Therkelsen MA 241 - Exam 2 (C) Instructions Use a blue examination book to answer all parts for each problem below. Be sure to write your name and test form (C) on the front cover of the blue book. Please do not answer more than one problem per page. Unless otherwise noted, leave answers in exact form (for example, 2 instead of 1 . 4142 ... ). Circle or box all Fnal answers (partial credit may be given, but only for work shown). No graphing calculators, cell phones, PDAs, etc. Include this sheet when submitting your exam book. Problems 1. ±ind the length of the arc of the given curve, over 0 t 1. y = 1 2 t 2 +8 ,x = 1 9 (9+6 t ) 3 2 2. ±ind the values of r for which the function y = e rx satisFes the di²erential equation. y 0 4 y 0 5 y =0 3. Solve the di²erential equation. (5 + t 2 ) y 0 = ty 2 4. ±ind the solution of the di²erential equation that satisFes the given initial condition. 3 y 0 + xy = xy (0)=11 5. A tank 3 m long, 5 m wide, and 2 m deep is full of water (the density of which is 1000 kg / m 3 ).
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

ma241exam2-c - Spring 2007 Therkelsen MA 241 - Exam 2 (C)...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online