A spaceship is approaching a space station at a speed of 1.60 ✕ 105 m/s. The space station has a beacon that emits green light with a frequency of 5.94 ✕ 1014 Hz. (a) What is the frequency of the beacon observed on the spaceship? (Use c = 2.9979 ✕ 108 m/s for the speed of light. Enter your answer to at least five significant figures.) answer in Hz

A spaceship is approaching a space station at a speed of 1.60 ✕ 105 m/s. The space station has a beacon that emits green light with a frequency of 5.94 ✕ 1014 Hz. (a) What is the frequency of the beacon observed on the spaceship? (Use c = 2.9979 ✕ 108 m/s for the speed of light. Enter your answer to at least five significant figures.) answer in Hz

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter6: Waves And Sound

Section: Chapter Questions

Problem JM

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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)?
KEY TERMS 1. waves (6.1) 2. longitudinal wave (6.2) 3. transverse wave 4. wavelength 5. amplitude 6. frequency 7. hertz 8. period 9. wave speed 10. electromagnetic spectrum (6.3) 11. speed of light 12. sound (6.4) 13. sound spectrum 14. intensity 15. decibel 16. ultrasound 17. speed of sound 18. Doppler effect (6.5) 19. redshift 20. standing waves (6.6) 21. resonance For each of the following items, fill in the number of the appropriate Key Term from the preceding list. n. _____ 3.00 108 m/s
KEY TERMS 1. waves (6.1) 2. longitudinal wave (6.2) 3. transverse wave 4. wavelength 5. amplitude 6. frequency 7. hertz 8. period 9. wave speed 10. electromagnetic spectrum (6.3) 11. speed of light 12. sound (6.4) 13. sound spectrum 14. intensity 15. decibel 16. ultrasound 17. speed of sound 18. Doppler effect (6.5) 19. redshift 20. standing waves (6.6) 21. resonance For each of the following items, fill in the number of the appropriate Key Term from the preceding list. b. _____ Unit equivalent to 1/s
KEY TERMS 1. waves (6.1) 2. longitudinal wave (6.2) 3. transverse wave 4. wavelength 5. amplitude 6. frequency 7. hertz 8. period 9. wave speed 10. electromagnetic spectrum (6.3) 11. speed of light 12. sound (6.4) 13. sound spectrum 14. intensity 15. decibel 16. ultrasound 17. speed of sound 18. Doppler effect (6.5) 19. redshift 20. standing waves (6.6) 21. resonance For each of the following items, fill in the number of the appropriate Key Term from the preceding list. c. _____ Apparent change of frequency because of relative motion
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A spaceship is approaching a space station at a speed of 1.60 ✕ 105 m/s. The space station has a beacon that emits green light with a frequency of 5.94 ✕ 1014 Hz. (a) What is the frequency of the beacon observed on the spaceship? (Use c = 2.9979 ✕ 108 m/s for the speed of light. Enter your answer to at least five significant figures.)Hz(b) What is the change in frequency?Hz
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