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## Homework Statement

a hollow sphere is rolling long a horizontal floor at 5 m/s when it comes to a 30 degree incline. how far up the incline does it roll before reversing direction?

## Homework Equations

## The Attempt at a Solution

it seems like conservation of energy would work best for this problem

1/2mv^2 + 1/2I[tex]\omega[/tex]^2 = mgh

im just having some problems finding [tex]\omega[/tex]

am i doing this right? and if so any clues on how to find [tex]\omega[/tex]?

thanks in advance