Question: 1. Everyone at a party is talking equally loudly. If only one person were talking, the sound level would be 72 dB. Find the sound

1. Everyone at a party is talking equally loudly. If only one person were talking, the sound level would be 72 dB. Find the sound level when all 38 people are talking.

2. If the source and receiver are at rest relative to each other but the wave medium is moving relative to them, will there be any Doppler shift in frequency?

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