Solid disk rolling up a hill problem

  • #26
dav2008
Gold Member
609
1
That's the answer I got. Is that what the book gives?
 
  • #27
Yes, thank you SO MUCH for all your help! I really appreciate all of this!
 
  • #28
dav2008
Gold Member
609
1
You're welcome. Sorry for the initial confusion.

Just remember that [itex]KE_{rot}=\frac{1}{2}I\omega^2[/itex] and [itex]v=r\omega[/itex].

Just for future reference you have to be careful because the relationship [itex]v=r\omega[/itex] assumes the object is not slipping.
 
  • #29
Oh okay. What I really didn't understand about this problem that confused me is the fact that the disk was rolling up a hill. I still cannot picture that happening on its own lol.
 

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