Question

a steam turbine is a device in which high - pressure steam enters the turbine and causes blades to spin. the spinning blades have mechanical energy. which best describes what happens in this system? the turbine absorbs heat, which creates kinetic energy in the system and produces work to turn the blades. the turbine destroys some of the thermal energy in the steam, which generates work and turns the blades. the turbine generates heat from the steam, and some of the heat creates work and turns the blades. some of the heat used to make the steam is transformed into work as the steam pushes against the blades to make them turn.

Explanation:

In a steam - turbine, heat energy of steam is converted into mechanical energy of spinning blades. According to the law of conservation of energy, heat energy of steam is transformed into work to turn the blades.

Answer:

Some of the heat used to make the steam is transformed into work as the steam pushes against the blades to make them turn.