4. Your ear is capable of differentiating sounds that arrive at the ear just 1.00 ms (ms = milli-seconds) 2. Fig. 1 shows sound wave recordings for apart. What is the minimum distance between two speakers that produce sounds that arrive at different musical instruments. Based on noticeably different times on a day when the speed of sound is 340 m/s? your understanding of how musical pitch 5. Mice and rodents are sensitive to ultrasonic sound waves (above the human range of frequency (high vs. low notes) corresponds to the detection). Suppose a company advertises a rodent repellant device that emits ultrasonic waves features in these graphs, do you think that with frequencies of approximately 50kHz. Assuming a speed of sound of 340m/s, determine the each instrument is playing the same musical wavelength of these sound waves. note (ie. same pitch) or a dilterent musical 6. A deep sea ocean vessel uses SONAR to detect the ocean's bottom. Sound waves are emitted note? Explain your reasoning. from the surface of the ocean and travel through the water at 1450m/s. The ocean 3. Although we see periodic oscillations in all Pressure bottom is 1630 m below the surface. Determine the sound recordings in fig. 1, the wave Figure 1 Sound wave recordings showing pressure the amount of time that passes before the forms look quite different for each 15. time for different fastrumen's playing a musical sound waves are reflected back to the surface. Instrument. What do you think causes these mute. 7. What are the approximate period and differences? fundamental frequency corresponding to the sound recording in fig. 27 Figure 2 Sound wave recording of pressure us. time