Physics question and answers for March 11, 2024
- Q A sound wave travels through air In which regions are air molecules the least dense O compressions Ofrequencies O pitches O rarefactions What best describes a sound wave O transverse...
- Q What is the name of the perceived change in a sound wave s frequency due to motion between the observer and the sound source O diffraction O Doppler effect O...
- Q The diagrams show the sound waves produced in one second from various tuning forks Which sound wave has the lowest pitch O A OB
- Q For sound waves different frequencies mean different a loudness b pitches c amplitudes d speeds e none of the above
- Q Once a tuning fork is struck and begins to vibrate a different tuning fork 5 feet away starts to vibrate with the same natural frequency This behavior is called O...
- Q 1 The image above represents a standing wave a What harmonic does this represent b What is the wavelength wave if the distance for the image is 3 00m c...
- Q According to when you see the condensed steam released a factory whistle blows 1 70 s before you hear the sound If the air temperature is 22 4 C how...
- Q Sound intensity is directly proportional to L
- Q 26 Calculate the intensity of the sound waves from an electric guitar s amplifier at a distance of 3 2m when its power output is equal to 0 79W
- Q What is the unit for sound intensity Sound intensity is directly proportional to
- Q 6 A water wave has a frequency of 2 Hz and there are 3 meters between each crest on the wave How fast is the wave moving
- Q 6 What is the maximum speed of a wave on a cable with length 50 m mass of 200 kg and a tension force of 1000 N applied to it...
- Q What is the speed of a wave on a cable of length 16 m and mass 70 kg that has a force of 300 N applied to it 8 28...
- Q What is the speed of a wave that has a frequency of 1300 Hz and a wavelength of 1 7 m 3757 m s 0 0013 m s 764 7...
- Q 5 Infer Elephants can communicate with each other by making sounds as low as 14 17 Hz Could an average person hear those sounds Why or why not
- Q 3 B The power output of a 75 piece orchestra radiated as sound is 70 0 W What is the intensity of these sound waves to a person who is...
- Q Questions 3 5 On a hot sultry day a mosquito s wings are producing annoying 912 Hz sound waves as it hovers near your ear The speed of sound in...
- Q Click to see additional instructions Questions 3 5 On a hot sultry day a mosquito s wings are producing annoying 912 Hz sound waves as it hovers near your ear...
- Q Assume the speed of sound to be 340 m s A bat flying at 1 05 m s chirps at a frequency of 10 3 kHz At the same time...
- Q 4 What is the speed of sound in air with a temperature of 269 K 10 points
- Q Most people have experienced the Doppler shift and sound waves, but humans dont have direct experience with the Doppler shift and light waves. Why?The human nervous system is not sensitive...
- Q A wave makes 54 vibrations in exactly 1 minute. What is its frequency?A) 2.25 Hz(B) 1.80 Hz(C) 0.45 Hz(D) 0.90 Hz
- Q Questions # 3-5: On a hot, sultry day, a mosquito's wings are producing annoying 912-Hz sound waves as it hovers near your ear. The speed of sound in air on...
- Q On a standard day the speed of sound is 345 meters per second. A whistle whose frequency is 725 Hz is movingtoward an observer at a speed of 25.2 meters...
- Q Two identical loudspeakers 2.50m apart are emitting sound waves into a room where the speed of sound is 340m/s. Abby is standing 4.50 m in front of one of the...
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