THERE IS A SPHERE WITH A CAVITY ROTATING AT AN ANGULAR SPEED w .INSIDE THE CAVITY A SOURCE OF POWER P IS KEPT ......THE COEFFICIENT OF VOLUME EXANSION IS B ......AND SPECIFIC HEAT CAPCITY IS

C(ASSUMING NEGLIGIBLE WORK DONE AGAINST ELASTIC AND ATMOSPHERIC FORCES) FIND THE RATE OF CHANGE OF ANGULAR ACCELARATION......REST MINUTE DETAILS ARE IN THE DIAGRAM

TIME : 4 DAYS (ON SUNDAY  I WILL POST THE ANSWER AND HINT)