231000745 231000745

22-03-2019
Chemistry

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Emma sings into a microphone. The sound is transferred from the microphone to a loudspeaker that is plugged into the wall. Her voice comes out of the loudspeaker and sounds much louder than before.

In this system, sound energy is being transformed into _ energy and then back into _ energy.

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reflexerupt reflexerupt

22-03-2019

Electrical energy and back to sound energy

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nerdygrl11 nerdygrl11

22-03-2019

Electrical then back into sound

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