Recent content by lavafrog

  1. L

    Can you help with these sound wave problems?

    OK, I understand that my biker is moving towards the source, so the top should have a +. But then for the bottom, is it + because my source is moving away from my observer? (I know it's +, I just want to make sure that's the right reason.) abercrombiems02--Thanks!
  2. L

    Can you help with these sound wave problems?

    Help With Sound Wave Problems! Hi...I'm studying for a test on soundwaves tomorrow, and I have questions on a few problems my teacher never reviewed. I'd appreciate it if someone could even answer one of them. Thanks! 1) At rest, a car's horn sounds the note A (440Hz). The horn is sounded...
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