Final answer:
The impact of a body on the Moon is determined by its mass and velocity, resulting in a complete transformation of potential into kinetic energy at the point of collision.
Step-by-step explanation:
The impact of a body onto the moon's surface depends on mass and velocity. When a body, such as an asteroid or a rocket, collides with the Moon, its mass determines the amount of momentum it has, while its velocity affects the kinetic energy it carries. Due to the Moon's lack of atmosphere, there is a complete transformation of the potential energy into kinetic energy upon impact. Furthermore, when items like the NASA rocket impacted the Moon, the resulting plume of material (including water) would not significantly alter the outcome of the collision in terms of the physical mechanics, although it provides valuable scientific data.