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Verified answer
Dik :fs = 2000 Hz
v = 330 m/s
vp = 0
vs = 30 m/s,, menuju ke arah P
Dit :
fp = ...?
Dij :
fp = ((v ± vp) / (v - vs))× fs
fp = ((330±0) / (330-30)× 2000
fp = (330 / 300)×2000
fp = (11/10)×2000
fp = 1,1×2000
fp = 2200 Hz
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