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3 votes
The Doppler Effect for sound occurs when:

a) the speed of the wave changes
b) the height of the wave changes
c) the distance between the waves change
d)the moving object decreases in speed

asked
User Slybloty
by
8.3k points

1 Answer

1 vote
The answer should be A because it’s frequency of a sound per second
answered
User Pbu
by
8.0k points

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