What is the density of an object with the density of 3 when cut in half?

What type of reaction is zn + cucl2 → cu + zncl2?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Explain that newton first law,second law and third law of motion?