Ironman is traveling at the speed of light for 24 seconds. What distance does he travel? It takes sunlight 500 seconds to reach Earth. Considering the speed of light, how far away is the Earth from the sun? A wave has a frequency of 22 Hz and a wavelength of 4.0 m. What is its velocity? Thor summons a lighting storm in order to defeat Loki. Knowing the speed of light, and that the lightning had to travel 6,000 m, how long did the lightning take to reach Thor's hammer? The Guardians of the Galaxy rushed to Titan with a velocity of 4.9 x 105 m/s to stop Thanos from sacrificing Gamora for the Soul Stone. They had to travel a distance of 8 x 1012m in order to reach Titan. How long did it take for the Guardians to arrive? Rocket Raccoon from Guardians of the Galaxy shoots a light ray at Thanos with a velocity of 3.0 x 10°m/s and a frequency of 4.8 x 10 Hz. What is the wavelength of Rocket Raccoon's light ray? rch 73 SUE

Ironman is traveling at the speed of light for 24 seconds. What distance does he travel? It takes sunlight 500 seconds to reach Earth. Considering the speed of light, how far away is the Earth from the sun? A wave has a frequency of 22 Hz and a wavelength of 4.0 m. What is its velocity? Thor summons a lighting storm in order to defeat Loki. Knowing the speed of light, and that the lightning had to travel 6,000 m, how long did the lightning take to reach Thor's hammer? The Guardians of the Galaxy rushed to Titan with a velocity of 4.9 x 105 m/s to stop Thanos from sacrificing Gamora for the Soul Stone. They had to travel a distance of 8 x 1012m in order to reach Titan. How long did it take for the Guardians to arrive? Rocket Raccoon from Guardians of the Galaxy shoots a light ray at Thanos with a velocity of 3.0 x 10°m/s and a frequency of 4.8 x 10 Hz. What is the wavelength of Rocket Raccoon's light ray? rch 73 SUE

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter16: Waves

Section: Chapter Questions

Problem 43P: (a) Seismographs measure the arrival times of earthquakes with a precision of 0.100 s. To get the...

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Careless Doug is standing on the summit of Mount Whitney (elevation 14,505 ft) while his prudent friend Hal is back at their basecamp on the shore of Iceberg Lake (elevation 12,621 ft). According to Google Maps, the horizontal distance between them is 1997 ft. Suddenly, a storm blows up, and poor Doug is struck by lightning. How much time elapses between when Hal sees the strike and when he hears it? Use 330 m/s for the speed of sound in the cold Sierra air.
Hey 691HZ wave is moving through medium A at 9121M/S. And then passes into medium B and has a wavelength of 4.4 m Determine the frequency and wave speed of the wave in medium b
A spaceship is approaching a space station at a speed of 1.8 x105 m/s. The space station has a beacon that emits green lightwith a frequency of 6.0 x 1014 Hz. (a) What is the frequencyof the beacon observed on the spaceship? (b) What is thechange in frequency? (Carry five digits in these calculations.)
An airplane moves at Mach 1.2 and produces a shock wave. (a) What is the speed of the plane in meters per second? (b) What is the angle that the shock wave moves?
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
The Doppler equation presented in the text is valid when the motion between the observer and the source occurs on a straight line so that the source and observer are moving either directly toward or directly away from each other. If this restriction is relaxed, one must use the more general Doppler equation f=(v+vocosovvscoss)f where o and s are defined in figure P13.7la. Use the preceding equation to solve the following problem. A train moves at a constant speed of v = 25.0 m/s toward the intersection shown in Figure P13.71b. A car is stopped near the crossing, 30.0 m from the tracks. The trains horn emits a frequency of 500 Hz when the train is 40.0 m from the intersection. (a) What is the frequency heard by the passengers in the car? (b) If the train emits this sound continuously and the car is stationary at this position long before the train arrives until long after it leaves, what range of frequencies do passengers in the car hear? (c) Suppose the car is foolishly trying to beat the train to the intersection and is traveling at 40.0 m/s toward the tracks. When the car is 30.0 m from the tracks and the train is 40.0 m from the intersection, what is the frequency heard by the passengers in the car now?
(a) Seismographs measure the arrival times of earthquakes with a precision of 0.100 s. To get the distance to the epicenter of the quake, geologists compare the arrival times of S- and P-waves, which travel at different speeds. If S- and P-waves travel at 4.00 and 7.20 km/s, respectively, in the region considered, how precisely can the distance to the source of the earthquake be determined? (b) Seismic waves from underground detonations of nuclear bombs can be used to locate the test site and detect violations of test bans. Discuss whether your answer to (a) implies a serious limit to such detection. (Note also that the uncertainty is greater if there is an uncertainty in the propagation speeds of the S- and P-waves.)
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
A spaceship is approaching a space station at a speed of 2.25 ✕ 105 m/s. The space station has a beacon that emits green light with a frequency of 5.99 ✕ 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.) Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. Hz(b) What is the change in frequency? Hz
For the scenario in Question 9 with the speed of eagle 11.00 m/s, what frequency does the blackbird hear (in Hz) after the eagle passes the blackbird?
ANSWER: 62 dB Please show all the steps and the equation used in each case.
Explain the relationship between a wave's frequency and wavelength using the following equation: v = fw. v is the velocity, f is the frequency, and w is the wavelength.