Homework Answers
Problem - 6
Given is:-
Frequency of the sound is 
The speed of the sound in air at room temperature and
atmospheric pressure is 
Now,
the wavelength of a sound wave is given by
by plugging all the values we get
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Need help please!!!!!!
6. A pure tone of 500 Hz is played in air. What is...
2. A 1,720-Hz pure tone is played on a stereo in an open field. A person...
2. A 1,720-Hz pure tone is played on a stereo in an open field. A person stands at a point that is 8 m from one of the speakers and 8.7 m from the other. Does the person hear the tone? (Assume the speed of sound is 344 m/s.) The path difference of _____ is ______ times the wavelength of the tone, giving _________ interference.
A stereo speaker produces a pure "E" tone, with a frequency of 329.6 Hz. What is...
A stereo speaker produces a pure "E" tone, with a frequency of 329.6 Hz. What is the period of the sound wave produced by the speaker? period: What is the wavelength of the same sound wave as it enters some water, where it has a speed of about 1480 m/s? wavelength entering water: What is the wavelength of this sound wave as it travels through air with a speed of about 341 m/s? wavelength in air
Need help with these questions !! Please!! 4. It takes sound waves of frequency 500 Hz...
Need help with these questions !! Please!!
4. It takes sound waves of frequency 500 Hz 14.7 ms to make a round trip through a hollow pipe of length 7.5 m filled with helium. What is the speed of sound in helium? Show your calculations 5. The speed of sound waves in air is 343 m/sec. If the frequency of the waves is 450 Hz, what are the period and wavelength of the waves? wavelength of this sound?
Two speaker emit the same pure tone at 170 Hz, but they are half a cycle...
Two speaker emit the same pure tone at 170 Hz, but they are half a cycle out of phase with each other (so one produces a "trough" exactly when the other one produces a "crest"). The speakers are three meters apart. You are standing between the speakers, one meter from one (and therefore two meters from the other). What do you hear? The speed of sound in air is 340 m/s. O A 170 Hz tone, but very quietly, if...
Wave length is 0.7727 A pure musical tone is sounded at a frequency/of 440 hertz. What...
Wave length is 0.7727
A pure musical tone is sounded at a frequency/of 440 hertz. What is the wavelength A? (Take the speed of sound as 340 m/s.) What is the third harmonic of the above sound? A piano and a trumpet play exactly the same note. Briefly explain why one can immediately tell the difference between the two instruments. Briefly describe the difference between a transverse and a longitudinal wave. When sound travels through the air. what is the...
Hey there! i need help with a few questions from my Physics B class. Thank you...
Hey there! i need help with a few questions from my Physics B class. Thank you <3 1. The graph illustrates a standing wave along a string that spans x = -2 to x = 2. The string is held stationary at both ends. Which harmonic is shown? fourth second first third ---------------------------- 2. The graph illustrates one moment in the propagation of a transverse wave down a rope. What is the wavelength of the wave? 12 cm 8 cm...
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60...
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60 dB, approximately how many phons would you perceive? toward you with a speed v, starting a distance of 1 km away att 0. If the train moves very slowly (that is, v is extremely small compared to...
3. A baseball is projected upward form the top of 448 foot tall bulding with an initial velocity of 48 feet per second. The distance s of the baseball from the ground at any time t, in seconds, i...
3. A baseball is projected upward form the top of 448 foot tall bulding with an initial velocity of 48 feet per second. The distance s of the baseball from the ground at any time t, in seconds, is glven by the equation s-16r2 +48t+448 How long will it take the ball to hit the ground? a. b. How high will the ball be in 6 seconds? When will the ball be 448 feet in the air? c. d. If...
please help with answering these 6. According to the lab manual, how do you find the...
please help with answering these
6. According to the lab manual, how do you find the experimental) wavelength of sound for the 512 Hz tuning fork? a. The wavelength is the position of the small pipe when you hear the loudest sound. b. Take the average value of the differences in positions where resonance occurs. C. Take double the average value of the difference in positions where resonance occurs. d. Input the speed of sound from equation 3 and the...
need help with all these problems please 2. An iceskater is turning at a PERIOD of...
need help with all these problems please
2. An iceskater is turning at a PERIOD of (1/3) second with his arms outstretched. a) What is his ANGULAR VELOCITY o? b) If he pulls his arms towards his body to reduce his MOMENT OF INTERTIA by 16 what is his ANGULAR VELOCITY ? c) How much does his ROTATIONAL KINETIC ENERGY change? That is, if the initial Kinetic Energy is (KE) initial, what is the final KE? d) Where did that...
A stereo speaker produces a pure "E" tone, with a frequency of 329.6 Hz. What is the period of the sound wave produced by the speaker? period: What is the wavelength of the same sound wave as it enters some water, where it has a speed of about 1480 m/s? wavelength entering water: What is the wavelength of this sound wave as it travels through air with a speed of about 341 m/s? wavelength in air
Need help with these questions !! Please!!
4. It takes sound waves of frequency 500 Hz 14.7 ms to make a round trip through a hollow pipe of length 7.5 m filled with helium. What is the speed of sound in helium? Show your calculations 5. The speed of sound waves in air is 343 m/sec. If the frequency of the waves is 450 Hz, what are the period and wavelength of the waves? wavelength of this sound?
Two speaker emit the same pure tone at 170 Hz, but they are half a cycle out of phase with each other (so one produces a "trough" exactly when the other one produces a "crest"). The speakers are three meters apart. You are standing between the speakers, one meter from one (and therefore two meters from the other). What do you hear? The speed of sound in air is 340 m/s. O A 170 Hz tone, but very quietly, if...
Wave length is 0.7727
A pure musical tone is sounded at a frequency/of 440 hertz. What is the wavelength A? (Take the speed of sound as 340 m/s.) What is the third harmonic of the above sound? A piano and a trumpet play exactly the same note. Briefly explain why one can immediately tell the difference between the two instruments. Briefly describe the difference between a transverse and a longitudinal wave. When sound travels through the air. what is the...
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60 dB, approximately how many phons would you perceive? toward you with a speed v, starting a distance of 1 km away att 0. If the train moves very slowly (that is, v is extremely small compared to...
3. A baseball is projected upward form the top of 448 foot tall bulding with an initial velocity of 48 feet per second. The distance s of the baseball from the ground at any time t, in seconds, is glven by the equation s-16r2 +48t+448 How long will it take the ball to hit the ground? a. b. How high will the ball be in 6 seconds? When will the ball be 448 feet in the air? c. d. If...
please help with answering these
6. According to the lab manual, how do you find the experimental) wavelength of sound for the 512 Hz tuning fork? a. The wavelength is the position of the small pipe when you hear the loudest sound. b. Take the average value of the differences in positions where resonance occurs. C. Take double the average value of the difference in positions where resonance occurs. d. Input the speed of sound from equation 3 and the...
need help with all these problems please
2. An iceskater is turning at a PERIOD of (1/3) second with his arms outstretched. a) What is his ANGULAR VELOCITY o? b) If he pulls his arms towards his body to reduce his MOMENT OF INTERTIA by 16 what is his ANGULAR VELOCITY ? c) How much does his ROTATIONAL KINETIC ENERGY change? That is, if the initial Kinetic Energy is (KE) initial, what is the final KE? d) Where did that...
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