Answer:

kaya mo nayan kasi ikaw lmang ang pwedeng sumagot nyan

Answer:

When you hit the metal with a hammer, the hammer goes from moving to rest when it hits the metal.

The hammer has kinetic energy (which depends on speed) before going to rest. When the hammer goes to rest, the kinetic energy becomes zero. This energy needs to go somewhere by conservation of energy.

The metal piece changes shape, it undergoes deformation. This requires energy, and part of the energy came from the kinetic energy from the hammer. But not all the energy goes into deforming the metal, so some will be converted to heat

Depending on how many times you hit the metal with the hammer, it will have different temperature. Will the hammer heat up in this process? It will as well.