Sunday, July 12, 2009

Which of the following statements about surface waves is true?

a. they are periodic disturbances.


b. they do not transmit energy.


c. they occur at the interface of two surfaces.


d. they are influenced by the gravitational pull of the moon.


e. they result in significant movement of water.

Which of the following statements about surface waves is true?
c
Reply:c of course
Reply:a) false (not certain)


b) false


c) true (by definition, SURFACE waves)


d) true (everything is, although not much)


e) false, the water ends up where it started
Reply:c%26amp;d are true.
Reply:a is true you can see them go up and down with time


b is false they do and it can be harnessed (although it isn't great)


c true it is between the sea and air


d false, tides are due to the moon waves are due to the wind, stormy weather, blowing across a liquid


e false tides create the mass movement of water, waves just go up and down, so no real net movement


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