ABC
1
Question 34
A source of waves and an observer are both initially stationary. The...
ABC
1
Question 34
A source of waves and an observer are both initially stationary. The observer will detect a steadily increasing frequency
if
А
the source accelerates away from him.
B
the source moves away from him at a constant speed.
с
he accelerates toward the source.
D
he moves toward the source at a constant speed.
Answers: 2
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