# Help, anyone good in physics?

**URL:** <https://forum.kirupa.com/t/help-anyone-good-in-physics/122013>\
**Category:** Uncategorized\
**Created:** [September 9, 2004, 3:01pm UTC](https://forum.kirupa.com/t/help-anyone-good-in-physics/122013 "2004-09-09T15:01:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![hsadan](https://avatars.discourse-cdn.com/v4/letter/h/7bcc69/32.png) [@hsadan](https://forum.kirupa.com/u/hsadan)\
**Post date:** [September 9, 2004, 3:01pm UTC](https://forum.kirupa.com/t/help-anyone-good-in-physics/122013/1 "2004-09-09T15:01:41Z")

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![](http://freepgs.com/hsadan/question.jpg)  
anyone know how to solve this? :h:  
(a circle of radius 3cm is cut out from the circle of radius 6cm)  
(that object is a flat circular plane [size=1]with a hole, of course[/size])