Is the energy of the cart with the flask kinetic or potential?

The energy of the fuel is converted into the energy of the movement of the trolley, that is, it is spent on communicating the speed of movement. The energy of motion is kinetic energy.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.