Yes, according to the principles of special relativity, kinetic energy can be transformed into matter, specifically elementary particles, through a process called pair production. Pair production occurs when a high-energy photon or particle interacts with an atomic nucleus or an electric field, resulting in the creation of a particle-antiparticle pair, such as an electron and a positron.
In this process, the kinetic energy of the incoming particle is converted into the rest mass of the created particles, as described by Einstein's mass-energy equivalence principle (E = mc²). The total energy, including the rest mass and kinetic energy, is conserved in the interaction.
However, it's important to note that the energy required for pair production is typically very high, and it usually occurs in high-energy particle collisions or in the presence of strong electromagnetic fields. In everyday situations, such transformations of kinetic energy into matter are not observed.