center disc

center disc Center center Center center 1.A 0.25g flea sits on a disc at a distance of 4cm from the center of the disc.if the disc rotates at 67 rpm and the flea is just able to maintain its position without sliding,determine the coefficient of static friction between the flea and the disc fabs(disc) compact disc compact disc checking disc adhere disc 摄像机disc MY DISC DISC是什么 什么是disc? DISC是什么 u-disc 翻译ceramic disc capacitors