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Homework Help: Wave questions

  1. Nov 18, 2005 #1
    1) what is a decibel? What is the threhold for pain in decibels?
    2) what is a standing wave?
    3) what produces sound waves?
    4) Explain how the human ear recieves sound and transmits it to the brain
  2. jcsd
  3. Nov 18, 2005 #2


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    Homework Helper

    1) What is google?
    Google is your friend.
    2) What is google good for?
    Google is good for finding stuff on the internet.
    3) Who produced google?
    Google is a company in Palo Alto, California.
    4) Why didn't you answer my question?
    Because you apparently haven't put even basic effort into finding the answer.
  4. Nov 18, 2005 #3
    1) a decibel is used to measure sound intensity level
    2) standing wave is created when waves travelling in opposite directions have the same ampliture and wavelength
  5. Nov 18, 2005 #4

    Math Is Hard

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    Staff Emeritus
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    Gold Member

    Good Lord! if I renamed myself Cathy Cleavage could I sucker you people into doing my homework for me, too? Are you THAT easy?

    I agree with Nate. Don't hand over the answers until some effort has been shown.:approve:
  6. Nov 18, 2005 #5
    I agree 100 percent dont... i mean if you spent the same amount of time typing those questions on google you would get the answer.

    cmon guys have some common sense. this is some guy with the screen name "bobbies" and everyone is standing in line to handover the answers.
  7. Nov 18, 2005 #6
    im sorry if i caused any inconvience
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