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    Hey! I need help with this. I've read that sometimes noise increases in buildings because the frequency from a radio,for example,matches with the natural frequency of the vibrating particles that make up the building and this leads to resonance,hence increasing the amplitude of a sound.
    However,there are cases when buildings have a low natural fruequency and when they are equal with those from the radio,this causes energy to be dissipated by the vibration of the building particles and sound is converted to thermal energy instead. Can someone please correct my confusion? How do i know which of the 2 vibrating sources will be the one increased and which one dissipated? Thanks A LOT in advance!
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    help please!
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