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Question
The Doppler effect is observed only whenA) the source of a wave moves toward a stationary observer.
B) there is relative motion between the source of a wave and an observer.
C) an observer moves toward the stationary source of a wave.
D) both the source of a wave and an observer are moving toward each other.
Answer
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Related questions
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In the equation A = B/C, the A and B are said to be _______________ proportional.
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______________ principle explains why objects float or sink in a fluid.
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The magnitude of the acceleration of an object moving in a circle at constant speed is
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