Recent content by waughcraft

Thanks for the reply first of all. However, sorry that I feel kinda frustrated about it since I don't know how to "integreate across the varying size disks" due to my insufficient knowledge in mechanics for that I'm at the last year of high school. May you, or someone, kindly explain how...

Homework Statement As interpreted from butterflyyoyo1cm.png, assuming that they are the same yoyos, each "half-yoyos" has 1cm of length, also, the center gap consists of 0.2cm, making the yoyo widths 2.2cm across in diameter exteriorly(1.1cm in radius). For the "interior" length, as shown in...