Spinning wind turbine blades have kinetic energy. Wind turbines transform this energy into electric energy and heat energy in a closed sytem. Which of the following statements about this energy transformation is true? A. All of the heat energy is transformed into electric energy. B. Half of the kinetic energy is transformed into electric energy and heat energy. C. All of the kinetic energy is transformed into electric energy and heat energy. D. Half of the heat energy is transformed into electric energy.
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