Recent content by wolfsrain159

  1. W

    Doppler effect with frequency ratio

    I got 20.247 using that equation and 20 m/s was marked incorrect. Would I inverse f' as well? Like use 1/1.0595 instead?
  2. W

    Doppler effect with frequency ratio

    so would I use (c+Vs)/c = f' ?
  3. W

    Doppler effect with frequency ratio

    Using the other form c/(c+...) I got -19.1, which I'm assuming is negative for the direction. However, usually the online program will let you know if your sign is incorrect and it didn't say anything about it. I just don't want to use all my tries if it is still "incorrect"
  4. W

    Doppler effect with frequency ratio

    Thank you for correcting that, I made a typo. This problem is from my online homework and the only instructions it says is to enter the answer with the proper units, which for velocity is m/s. Other then that I have no idea what I'm doing wrong. Using the second form c/(c-...) I got 19.098 m/s...
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    Doppler effect with frequency ratio

    Homework Statement An avant-garde composer wants to use the Doppler effect in his new opera. As the soprano sings, he wants a large bat to fly toward her from the back of the stage. The bat will be outfitted with a microphone to pick up the singer's voice and a loudspeaker to rebroadcast the...
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