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OpenStudy (anonymous):
A room is elliptic with vertical walls and an ellipsoidal ceiling. If the ceiling is 40 feet long and 20 feet wide, where should two people stand (other than next to each other) so that they can whisper to each other without being heard by others in the room?
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OpenStudy (anonymous):
i think sound is a wave and it travels in all directions so no such two points give me some insight
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