Tuesday, October 12, 2010

Ch8 1 #1

4 comments:

Anonymous said...

In the lecture, it says that with a larger radius, you will have a larger velocity. So why is that ladybug 2 does not have a larger velocity than ladybug 1?

Prof. Hobbs said...

It depends on whether it's angular velocity or linear velocity. Which part of the question are you on?

Erica said...

How are we supposed to answer numerically if all we are given in the two ladybugs are at rest and one has half the radius of the other?

Prof. Hobbs said...

Other things must end up canceling out if not given. (The ladybugs are at rest on the disk, but the disk itself is spinning.)