1. A beeper on a string is twirled around as shown on the board.

    2. If V=30m/s, Find Fa', Fe', and Fc'

     

     

     

  2. A bullet moves at 200 m/s toward a buzzer which is emitting a 2000Hz tone. If you were some how on the bullet, what F' would you hear?

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  3. This is the _________________ harmonic.

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    3b If the string is 10m long, has a mass of 200g, an is under 20N tension. Find fundamental Fr?

     

     

     

  4. What frequency is it at? What is the fundamental frequency?

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  5. I get up at night and fill up a tall glass of water without any lights on. I can tell when the glass is getting full just by listening, how? (V=Fl)

 

 

 

6 My truck's subwoofers are rated at 100 db at a distance of 1/m. How many db would I hear at 3m?

 

 

6b How many w/m would I hear at 3m?