ameter of change heated to copper has a error in the de a 0

Last updated: 6/9/2023

ameter of change heated to copper has a error in the de a 0 9 b 2 4 c 23 A carpet of mass M made of an extensible material is rolled along its length in the form of a cylinder of radius R and kept on a rough floor If the carpet is unrolled without sliding to a radius R 2 the decrease in potential energy is MgR c MgR 8 b MgR 3 MgR d liquid of density P is filled in a wide tank to a lid rod of length L cross section A and the tank The lower