Friday
December 19, 2014

Homework Help: Physics

Posted by Brian on Saturday, December 12, 2009 at 12:06am.

Two small loudspeakers that are 5.50 apart are emitting sound in phase. From both of them, you hear a singer singing C# (frequency 277 ), while the speed of sound in the room is 340 . Assuming that you are rather far from these speakers, if you start out at point equidistant from both of them and walk around the room in front of them, at what angles (measured relative to the line from to the midpoint between the speakers) will you hear the sound:

A)maximally enhanced? Neglect any reflections from the walls.
Type absolute values of all possible angles in increasing order separating them with commas.
A=??? in degrees

B)cancelled? Neglect any reflections from the walls.
Type absolute values of all possible angles in increasing order separating them with commas.
B=??? in degrees

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