Rotation kinetic energy/linear velocity

[jimbo71]

Homework Statement

see problem 14 attachment

Homework Equations

see problem 14 attempt attachment

The Attempt at a Solution

see problem 14 attempt attachment
I'm not sure if I solved this problem correctly

 

[jimbo71]

I forgot to post the attachments.

 

[Doc Al]

Looks OK to me.

 

[jimbo71]

Even though I assume the flywheel is a uniform disk?

 

[Doc Al]

Even though I assume the flywheel is a uniform disk?

Lacking evidence to the contrary, I would assume that by "disklike flywheel" they mean a uniform disk.