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intro to communications
amys flashcards
13
Other
9th Grade
01/24/2010

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Term
progressively
Definition
movement that contains or movement forward
Term
pendulum
Definition
a suspended object that moves back and forth
Term
oscillatory
Definition
the back and forth vibratory motion of a swinging pendulum
Term
oscillate
Definition
a back and forth vibratory motion
Term
displacement
Definition
difference between the first position and later position,
Term
electromagnetic
Definition
magnetic material in which the electric current passes
Term
seismologist
Definition
someone wo studies and interprets earthquakes waves in order to determine the strength and location of the earthquakes
Term
cancellation
Definition
when one wave orverlaps other a wave is prduced
Term
concentric
Definition
where the middle of two objects overlap
Term
stationary
Definition
to stay in one place
Term
sand barrier
Definition
overlapping air crests that disrupt the flow of air over the wings
Term
supersonic
Definition
faster than sound
Term
untra sonic
Definition
a frequency higher then we can hear
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