A body of mass is kept at a height of . It is allowed to fall and reach the ground. What is the total mechanical energy possessed by the body at the height of assuming it is a frictionless medium? (use )
A body of mass is kept at a height of . It is allowed to fall and reach the ground. What is the kinetic energy possessed by the body just before hitting the ground? Take
Any substance which is easily available and burns in air at a moderate rate, producing large amount of heat energy, without leaving behind undesirable residue, is called :