Recent content by chenminmin

  1. C

    Sound waves speed and intensity on wood,metal and cement

    Thanks! could it be that sound wave is faster in cement than in wood? how about their intensities?
  2. C

    Sound waves speed and intensity on wood,metal and cement

    I'm not sure what kind of metal it is but it is mostly used in constructions and the wood is the one used in making furnitures, for the cement ordinary cement only. How could i measure their speed? thanks :>
  3. C

    Sound waves speed and intensity on wood,metal and cement

    Which one do you think does a sound wave travel faster ?How can I experiment on this? Thanks :)
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