T1-S61 - Northwestern University Name: Id #: Math 230...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

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

Unformatted text preview: Northwestern University Name: Id #: Math 230 Section 61 Test #1 Fall Quarter 2007 Tuesday, October 23, 2007 Name: Instructions: Show all your work on these sheets. Feel free to use the opposite side. Make sure that your final answer is clearly indicated. This test has seven problems. No calculators, books, notes, etc. are allowed. Good luck! Prob. Possible Score points 1 15 2 15 3 20 4 24 5 16 6 10 TOTAL 100 Math 230 Section 61 Test #1 Fall Quarter 2007 Page 2 of 14 BLANK PAGE Math 230 Section 61 Test #1 Fall Quarter 2007 Page 3 of 14 Question 1. (15 points) Find the point on the given curve below r ( t ) = (5 sin t ) i + (5 cos t ) j at a distance 25 units along the curve from the origin in the direction of increasing arc length. Solution: r ( t ) = (5 cos t ) i + (- 5 sin t ) j | r ( t ) | = p (5 cos t ) 2 + (- 5 sin t ) 2 = 5 Z b | r ( t ) | dt = Z b 5 dt = 5 t | b = 5 b 5 b = 25 , b = 5 Point P = (0 ,- 5) Math 230 Section 61 Test #1 Fall Quarter 2007 Page 4 of 14 BLANK PAGE Math 230 Section 61 Test #1 Fall Quarter 2007 Page 5 of 14 Question 2. (15 points) Two helicopters,...
View Full Document

This note was uploaded on 11/23/2008 for the course CHEM 210-1 taught by Professor Trzupek during the Fall '08 term at Northwestern.

Page1 / 14

T1-S61 - Northwestern University Name: Id #: Math 230...

This preview shows document pages 1 - 6. Sign up to view the full document.

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