Emmie1129 Emmie1129

17-03-2021
Physics

contestada

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

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nightproject16 nightproject16

18-03-2021

The answer should be A because it’s frequency of a sound per second

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