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L from Jacksonville, NC's Resources

when water waves pass a log in the water, a smooth area of water is created behind the log.  when the same water waves pass a blade of grass growing in the water there is no smooth area of water...

    if green light were scattered less often than any other frequency of light what color would the sky appear at sunset?   I dont think it would be red or orange....

1.  when light falls on a surface which irregular compared to its wavelength   a.  the reflection is diffuse b.  glare is produced c.  the wavelength is refracted d...

1.  compared to gamma rays, visible light   a.  has higher frequency waves b.  carries more energy c.  travels at a greater speed in a vacuum d. ...

refraction occurs when   a.  a wave strikes and is re-emitted from an object b.  there is a difference in the speed waves   c.  a wave bends around a...

an electric force field is produced by   a.  moving magnetic field b.  electron c.  proton c.  flow of electrons e.  all of these  ...

  a man works at an office which produces a lot of documents.  often he has to carry heavy stacks of documents from one office to another.  on this day he, whom ways 75 kilograms,...

  1.  heat energy can be measured in   a.  joules b.  calories c.  "C"alories    Calories d.  all of theses...