The shortest distance between a sound source (S,) and a reflecting wall is 25 m. The sound is reflected at an angle of a, = 45° to a listener (L,). (a) What is the shortest distance between the sound source and the listener, (x1)? (b) The sound is also reflected to another listener (L2) at an angle of a2= 80°. What is the length of the reflector between the two reflection points, (x2)? X2 = ? Reflector a2 a1 L2 S1 L1 X1 = ? %3D

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The shortest distance between a sound source (S,) and a reflecting wall is 25 m. The sound is reflected at an angle of a, = 45° to
a listener (L,).
(a) What is the shortest distance between the sound source and the listener, (x1)?
(b) The sound is also reflected to another listener (L2) at an angle of a2= 80°. What is the length of the reflector between the two
reflection points, (x2)?
X2 = ?
Reflector
a2
a1
L2
L1
S1
X1 = ?
Transcribed Image Text:The shortest distance between a sound source (S,) and a reflecting wall is 25 m. The sound is reflected at an angle of a, = 45° to a listener (L,). (a) What is the shortest distance between the sound source and the listener, (x1)? (b) The sound is also reflected to another listener (L2) at an angle of a2= 80°. What is the length of the reflector between the two reflection points, (x2)? X2 = ? Reflector a2 a1 L2 L1 S1 X1 = ?
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