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OpenStudy (blackstreet23):
A tuning fork generates sound waves with a frequency of 258 Hz. The waves travel in opposite directions along a hallway, are reflected by walls, and return. The hallway is 48.0 m long and the tuning fork is located 14.0 m from one end. What is the phase difference between the reflected waves when they meet at the tuning fork? The speed of sound in air is 343 m/s. The answer is in degrees
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