1) object projected upwards.
- energy is initially kinetic as it goes up. The energy is slowly transferred from kinetic energy to gravitational potential energy as it slows down. When it hits it's peak height, all the energy is gpe. As the object falls again, the energy transfers from gpe back to ke.
2) a moving object hitting an obstacle
- At the start the energy is kinetic as it's moving. When it hits the obstacle, there is still some kinetic energy in the object as it moves away from the obstacle, and the rest of the energy is transferred to kinetic energy (of the obstacle as the obstacle moves), heat energy of both and kinetic energy