As the drawing shows, one microphone is located at the origin, and a second microphone is located on the +y axis. The microphones areseparated by a distance of D = 1.25 m. A source of sound is located on the +x axis, its distances from microphones 1 and 2 being L1 andL2, respectively. The speed of sound is 345 m/s. The sound reaches microphone 1 first, and then, 1.43 ms later, it reaches microphone 2.Find the distances (in m) (a) L1 and (b) L2.+yMicrophone 212SoundsourceMicrophone 1++L1(a) NumberiUnitsUnits(b) Number

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As the drawing shows, one microphone is located at the origin, and a second microphone is located on the +y axis. The microphones are separated by a distance of D = 1.25 m. A source of sound is located on the +x axis, its distances from microphones 1 and 2 being L, and L2, respectively. The speed of sound is 345 m/s. The sound reaches microphone 1 first, and then, 1.43 ms later, it reaches microphone 2. Find the distances (in m) (a) L1 and (b) L2. Microphone 2 L2 Sound source Microphone 1 +x L1 Units (a) Number i Units (b) Number i

As the drawing shows, one microphone is located at the origin, and a second microphone is located on the +y axis. The microphones are separated by a distance of D = 1.25 m. A source of sound is located on the +x axis, its distances from microphones 1 and 2 being L, and L2, respectively. The speed of sound is 345 m/s. The sound reaches microphone 1 first, and then, 1.43 ms later, it reaches microphone 2. Find the distances (in m) (a) L1 and (b) L2. Microphone 2 L2 Sound source Microphone 1 +x L1 Units (a) Number i Units (b) Number i

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter17: Physics Of Hearing

Section: Chapter Questions

Problem 31PE: (a) At an air show a jet flies directly toward the stands at a speed of 1200 km/h, emitting a...

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During a thunderstorm, a frightened child is soothed by learning to estimate the distance to a lightning strike by counting the time between seeing the lightning and hearing the thunder (Fig. P2.25). The speed vs of sound in air depends on the air temperature, but assume the value is 343 m/s. The speed of light c is 3.00 108 m/s. a. A child sees the lightning and then counts to eight slowly before hearing the thunder. Assume the light travel time is negligible. Estimate the distance to the lightning strike. b. Using your estimate in part (a), find the light travel time. Is it fair to neglect the light travel time? c. Think about how time was measured in this problem. Is it fair to neglect the difference between the speed of sound in cold air (vs at 0C = 331.4 m/s) and the speed of sound in very warm air (vs at 40C = 355.4 m/s)?
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