I'm taking a 5-week Calc III summer course, and I'm working on a practice problem in preparation for the exam tomorrow morning. I've been doing fine up until we started on Line Integrals. I've read a number of tutorials, my book, etc., but this one keeps slipping by... Trying various methods, I've gotten the following numeric answers:
On Paper (with the assistance of a TI89): 270.899
Maple (using the VectorCalculus LineInt command): 15.739
Maple (working out each step): 147.927
The problem is as follows: (with some of my likely incorrect work):
Find the work done by the force:
acting on a body as it moves along the curve between the values:
I'll stop there, as my mistake is probably well before this point... If anyone could help me figure this out, with the simplest language possible, it would be greatly appreciated.