Estimate the contribution to the binding energy of the repelling electron clouds at the equilibrium distance

Two blocks of aluminum (specific heat c=0.22 cal/g celsius) with masses of 1000 g and 100 g are at a temperature of 70 c. which block has more thermal (internal) energy? explain why?

Inside stars in space, the nuclei of hydrogen atoms fuse together to form helium atoms. this represents which form of energy? electrical energy nuclear energy chemical energy radiant energy

When a person spins a bucket of water in a circle, the force acting on the bucket to keep the water inside is called