My Math Forum  

Go Back   My Math Forum > College Math Forum > Calculus

Calculus Calculus Math Forum

Thanks Tree1Thanks
  • 1 Post By romsek
LinkBack Thread Tools Display Modes
September 8th, 2017, 07:18 PM   #1
Joined: Sep 2017
From: Sydney

Posts: 17
Thanks: 0

Vector Calculus problem 2

From the attachment, I managed to get the answers correct till surface area however I can't seem to get the vertical height of a helicoid becasue I dont know how to get it. What is the solution and how to get to that ?
Attached Images
File Type: jpg img_1.JPG (37.1 KB, 3 views)
File Type: jpg img_2.JPG (30.2 KB, 4 views)
Robotboyx9 is offline  
September 8th, 2017, 08:27 PM   #2
Senior Member
romsek's Avatar
Joined: Sep 2015
From: USA

Posts: 1,931
Thanks: 999

maybe I'm missing something but

$z = 2v$ and $0 \leq v \leq 2\pi$

so the vertical height should be

$4\pi - 0 = 4 \pi$
Thanks from Robotboyx9
romsek is online now  

  My Math Forum > College Math Forum > Calculus

calculus, problem, vector

Thread Tools
Display Modes

Similar Threads
Thread Thread Starter Forum Replies Last Post
Vector Calculus problem Robotboyx9 Calculus 1 September 3rd, 2017 10:52 PM
Vector calculus Juan Victor Geometry 5 October 30th, 2014 04:25 AM
Vector Calculus za3raan Calculus 0 May 14th, 2014 08:08 PM
Vector Calculus Divergence of a Vector Field MasterOfDisaster Calculus 2 September 26th, 2011 09:17 AM
Vector Calculus Problem STV Calculus 5 March 29th, 2008 06:45 PM

Copyright © 2018 My Math Forum. All rights reserved.