at frequency does the observer hear?
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A: To answer Question number 7. Given that: f=5.0 kHz=5.0×103 Hz
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A: we know that, f=12πLC hence, L=14π2f2C Lmax=14π2fmin2C Lmax=14π2*(3.4*106)2*1.2*10-11 Lmax=347.62H
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![An emergency vehicle with its siren turned on at a frequency of 790HZ, moves away from a stat
ionary observer at a speed 25m/s. What frequency does the observer hear?
698 Hz
O 757 Hz
735 Hz
750 Hz](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c939cff-bc46-4066-b22a-d4e55e2c89ab%2Fda998439-4861-4c95-ae77-524826a03c2d%2Fi4m7lz_processed.png&w=3840&q=75)
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