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OpenStudy (anonymous):
HELP PLeASE? 1. When the energy of a sound wave is transferred to a particle of a medium and causes it to vibrate and generate heat, the sound wave is _____ A) reflected B) refracted C) absorbed D) transmitted 2. The pitch of the siren of a moving fire truck changes from high to low as the fire truck passes by. What property of a sound wave changes as the fire truck goes by? A) amplitude B) density C) temperature D) frequency
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