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Energy transformations (1929)
Miércoles 7 de noviembre de 2012, por
What type of energy is involved in each of the following situations?
a) Wood is burning in the fire.
b) A radio station is broadcasting its usual program. Waves are coming out of its antenna.
c) A mobile phone is playing music.
a) Internal energy is converted into heat energy.
b) Electromagnetic energy is converted into acoustic energy.
c) Chemical energy is converted into electrical energy.