Object falls from the OUTSIDE of a loop

[gorockscards]

1. An object is at rest at the TOP of the OUTSIDE of a loop. The radius of the loop is 10 cm. It begins to slide along the outside of the loop. It will obviously separate from the loop and then it lands x distance from the loop. What is x?
2. Equations of motion and conservation of energy equations may be used. Other equations may be used as well.
3. I do not know where to go from here.

 

[Hootenanny]

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[gorockscards]

I solved it!