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A period is the length of time it takes for a. one complete wavelength to pass a fixed point. b. a disturbance to start a wave. c. two complete wavelengths to pass a fixed point. d. a wave to travel the length of a rope.
A period is the length of time it takes for one complete wavelength to pass a fixed point.
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Expert answered|jeifunk|Points 9691|
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Asked 5/16/2013 1:22:36 PM
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For refraction to occur in a wave, the wave must a enter a new medium head-on. b strike an obstacle larger than the wavelength. c change direction within a medium. d enter a new medium at an angle.
Weegy: C. enter a new medium at an angle. User: When a sound source approaches you, the pitch you hear is a lower than when the source is stationary. b the same as when the source is stationary. c higher than when the source is stationary. d first higher and then lower than the pitch of the source when stationary. Weegy: The answer is B. higher than when the source is stationary. When a sound source approaches you, the pitch you hear is higher than when the source is stationary. User: When a train streaks by blowing its whistle, the changing pitch you hear is due to the Doppler effect. True False User: A mechanical wave generally does NOT a move through a medium. b move through solids. c move the medium from one place to another. d disturb the medium. Weegy: A mechanical wave generally does NOT c. move the medium from one place to another. (More)
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Expert Answered
Updated 7/24/2018 12:52:22 PM
1 Answer/Comment
When a train streaks by blowing its whistle, the changing pitch you hear is due to the Doppler effect. TRUE.
Added 7/24/2018 12:52:22 PM
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