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Physics 20 Online
OpenStudy (anonymous):

derive apparant frequency heard by a ststionary observer ,if source is approaching him with velocity"V"

OpenStudy (anonymous):

just fo=fs(v)/(v-vs) v= sound velocity vs= v source

OpenStudy (anonymous):

hey thank..can u tell me its source?

OpenStudy (anonymous):

source like ambulance , police car

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