Arock moves 2 meters south in 1 second what is the rocks velocity

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

What natural processes produce large quantities of co2

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.