We would like to increse the length of a 15cm long copper rod of cross section area 4mm2 by 1mm.The energy absorbed by the rod if its strecthed slowly is E2.THE energy absorbed by the rod if it is heated is E1.THEN FIND E1/E2????????????????
We would like to increse the length of a 15cm long copper rod of cross section area 4mm2 by 1mm.The energy absorbed by the rod if its strecthed slowly is E2.THE energy absorbed by the rod if it is heated is E1.THEN FIND E1/E2????????????????