The speed of sound in air is 330 m s-¹1. A motorcyclist travelling at a speed of29 m s-¹ sounds the horn on their motorbikewhile passing a pedestrian beside the road.The rider hears the horn as a sound offrequency 250 Hz.a.What frequency does the pedestrian hear:i. when the motorcycle approaches?ii. when the motorcycle moves away?b. Explain why, when the motorcycle is right in front, the pedestrian hears the samefrequency as the rider.D

The speed of sound in air is 330 m s-¹ 1. A motorcyclist travelling at a speed of 29 m s-¹ sounds the horn on their motorbike while passing a pedestrian beside the road. The rider hears the horn as a sound of frequency 250 Hz. 53 ii. when the motorcycle moves away? b. Explain why, when the motorcycle is right in front, the pedestrian hears the same frequency as the rider. a. What frequency does the pedestrian hear: i. when the motorcycle approaches?

The speed of sound in air is 330 m s-¹ 1. A motorcyclist travelling at a speed of 29 m s-¹ sounds the horn on their motorbike while passing a pedestrian beside the road. The rider hears the horn as a sound of frequency 250 Hz. 53 ii. when the motorcycle moves away? b. Explain why, when the motorcycle is right in front, the pedestrian hears the same frequency as the rider. a. What frequency does the pedestrian hear: i. when the motorcycle approaches?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 143CP: A string (=0.006kgm,L=1.50m) is fixed at both ends and is under a tension of 155 N. It oscillates in...

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