A thin uniform rod of mass m and length l is free to rotate about its upper end. When it is at rest, it receives an impulse J at its lowest point, normal to its length. Immediately after impact: A thin uniform rod of mass m and length l is free to rotate about its upper end. When it is at rest it receives an impulse J at its lowest point normal to its length. Immediately after impact: September 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related