As the drawing shows, one microphone is located at the origin, and a second microphone is located on the ty axis. The microphones are separated by a distance of D-1.44 m. A source of sound is located on the +x axis, its distances from microphones 1 and 2 being L, and L2, respectively. The speed of sound is 344 m/s. The sound reaches microphone 1 first, and then, 1.75 ms later, it reaches microphone 2. Find the distances (in m) (a) L₁ and (b) L₂ (a) Number (b) Number Microphone 2 Maphone 1 D Units Units Sound

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Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.