Sound waves are longitudinal waves in air. The speed of sound depends on temperature; at 20 C it is 344 m/s 11130 ft/s2. What is the wavelength of a sound wave in air at 20 C if the frequency is 262 Hz (the approximate frequency of middle C on a piano)?
Q: A string is 50.0 cm long and has a mass of 3.00 g. A wave travels at 5.00 m/s along this string. A…
A: GivenFor the first stringLength l1 = 50.0 cm = 0.500 mMass m1 = 3 g = 0.003 kgSpeed v1 = 5 m/sFor…
Q: A 2.0-cm-tall object is 20 cm to the left of a lens with a focal length of 10 cm. second lens with a…
A: Height of the object, Object distance, to the left of the first lens.The focal length of the first…
Q: The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius. Suppose you put a…
A:
Q: The air on a very warm summer day is 38C. You blow across the top of a tube with a length of 35.0cm…
A: Length of tube L1= 0.3 m Length of other tube alto= 0.174m
Q: sound with a frequency of 144 kHz in a cave where the temperature is 28°C. Assume that air behaves…
A: GivenA bat emits a sound with a frequency,f=144 kHz in a cave where the temperature, T= 28°C.Speed…
Q: A car is travelling away from you at 21 mph. A car horn produces a sound with a frequency of 539 Hz.…
A: Since you have asked multiple questions, we will solve first question for you. If you want any…
Q: An instrument has a lowest frequency of 40 Hz. The string has mass per unit length of 0.015 kg/m.…
A: Step 1* Lowest frequency of instrument f0 = 40 Hz* Mass per unit length of string u = 0.015 kg.m*…
Q: A transverse sinusoidal wave travels to the right with a wave speed 8.15 m/s. The amplitude of the…
A:
Q: A loudspeaker has a circular opening with a radius of 0.08508 m. The electrical power needed to…
A: Radius of circular opening is Electrical power is Intensity of sound at the opening is Find:What…
Q: The period of a sound wave is 6.00 ms. Calculate the frequency f of the wave. Calculate the angular…
A: Given data: Period (T) = 6.00 ms Required: The frequency (f) and angular frequency (ω)
Q: The fundamental frequency of an organ pipe, open at both ends, is 260.7 Hz. What should the length…
A: f0=v2LL=v2f0=343 m/s2260.7 Hz=0.658 m
Q: 1. Air temperature in the Sahara Desert has been known to reach 56.0 °C (about 134 °F). You are…
A:
Q: The longitudinal displacement of a mass element in a medium as a sound wave passes through it is…
A:
Q: Flag question Let a and b be two unit vectors. a.(a+ (axb)) (a x b) + (bxa) a. (a x b) ax (a.b)…
A:
Q: Problem 3: A sound wave of frequency 300 Hz has an intensity of 1.00 μW/m². What is the amplitude of…
A:
Q: You shake a slinky continuously in an up and down fashion such that a transverse waves propagate…
A: Solution : Here, 5 peaks means 2.5 of wavelength separation between two peaks = (λ/2)
Q: 49.4-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at…
A: (given) Speed (v) of sound in air at 20.0°C = 343 m/s Density (ρ) of air at 20.0°C =…
Q: How many times a minute does a boat bob up and down on ocean waves that have a wavelength of 38.0 m…
A:
Q: Figure 3 shows an experimental apparatus that can be used to set up, and control, standing waves on…
A: Given:length of the string be Ltension on the string mhgit is said that, at the wall and at the…
Q: The windpipe of a typical whooping crane is about 4.6 ft long. What is the lowest resonant frequency…
A:
Q: If the Mach number is 2.2 and the speed of an airplane measured by radar is 2115 km/h, what is the…
A: We have givenM=2·2andV=2115 km/h =587.5 m/sec
Q: 0-30° 1. A stone of mass M = 1.3 kg is suspended from a string on a 30° incline as shown above. If…
A:
Q: A sound wave is traveling in seawater, where the adiabatic bulk modulus and density are 2.31 x 10°…
A: Given data: Bulk modulus, K=2.31×109 Pa Density, ρ=1025 kg/m3 Wavelength of the sound, λ=3.22 m…
Q: The fundamental frequency of an organ pipe, open at both ends, is 256.3 Hz. What should the length…
A:
Q: Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the…
A: Given:The diameter of the ear is .The intensity of the sound is .
Q: Air temperature in the Sahara Desert can reach 56.0°C (about 134°F). What is the speed of sound,…
A:
Q: Horseshoe bats use the Doppler effect to determine their location. A Horseshoe bat flies toward a…
A: Given: Speed of Horseshoe batv= 15 m/s Frequency of emitted sound f= 19.6 kHz…
Q: A particular sound wave can be modeled by the equation y=-3x sin 4x. Determine the amplitude and…
A: The equation of the sound wave is given by:y=−3xsin(4x)In this equation, sin(4x) represents a…
Q: A sound wave is traveling in seawater, where the adiabatic bulk modulus and density are 2.31 × 10⁹…
A:
Q: The coldest recorded temperature of air on Earth, -128.6°F, occurred on July 21, 1983, at Vostok, a…
A: The given temperature of the air is, T=-128.6° F=5-128.6-329° C=-89.222° C=-89.222+273 K=183.778 K
Q: The intensity of a sound wave, as it strikes a circular ear drum, is 0.55 W/m2. The amount of energy…
A:
Q: A police siren has a frequency of 340.0 Hz when the car is stationary and the temperature is 20°C.…
A: Given: Frequency of siren = 340 Hz Temperature = 20 degree C Speed of car = 22 m/s
Sound waves are longitudinal waves in air. The speed of sound depends
on temperature; at 20 C it is 344 m/s 11130 ft/s2. What is the
wavelength of a sound wave in air at 20 C if the frequency is 262 Hz
(the approximate frequency of middle C on a piano)?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A violin string is 25cm long. It sounds the musical note A (440Hz) when played without fingering. It is known that the mass of the string is 3.50x10^-4 kg. a. What is the tension in the string in Newtons?The longitudinal displacement of a mass element in a medium as a sound wave passes through it is given by s = Sm CoS (kx - wt). Consider a sound wave of frequency 440 Hz and wavelength 0.75m. If sm = 12 um, what is the displacement of an element of air located at x = 1.2 m at time t = 0.11 s? %3D O 3.7 um O 4.9 µm O 6.0 um O 8.2 um O 12 umS X * # 3 4. A bystander hears a siren vary in frequency from 594 Hz to 388 Hz as a fire truck approaches, passes by, and moves away on a straight street. What is the speed of the truck? (Take the speed of sound in air to be 343 m/s.) X 62.7 m/s E D C 25 $ 4 888 R % 5 V tv A B 16 de MacBook Air & 7 H VO 8 UTO N A J 9 M K MOSISO O zoom 1 ge + 11 t
- The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius. Suppose you put a electronic pinger in an air-tight glass jar and change the pressure of the air inside by a factor 1.3, while the volume, composition and temperature of the air remain the same. What speed would you measure for the sound inside the jar? Give your answer in m/s.A string of length 0.25 m has a mass per unit length of 0.040 kg/m. The frequency third harmonic of the string is 330 Hz. What is the tension in the string?A wave is described by y(x,t) = 0.1 sin(3x - 10t), where x is in meters, y is in centimeters and t is in seconds. The angular frequency is: O 20pi rad/s O 10pi rad/s O 0.10 rad/s O 3.0 rad/s O 10 rad/s
- A 38.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 38.0-Hz sound wave? What is the ratio of the displacement amplitude to the average distance between molecules in air at room temperature, about 3.00 nm?A tsunami generated off the coast of Chile in 1990 traveled nearly 6500 miles to the coast of Honolulu in 17 hours. Determine the speed in mi/hr and m/s. If the average width of such waves was 22 m, what was the average frequency of such a devastating tsunami? (Given: 1.0 m/s = 2.24 mi/hr) O 382 mi/h, 171 m/s, 7.8 Hz 283 mi/h, 126 m/s, 5.7 Hz O 402 mi/h, 180 m/s, 8.16 Hz O 117 mi/h, 52.3 m/s, 2.4 Hz102 kg/m3? What is the speed of sound in benzene, which has a bulk modulus of 1.05 x 109 Pa and a density of 8.76 x 1094.82 km/s
- Ocean waves with a wavelength of 40.0 m travel at 5.00 m/s towards a boat at sea. Determine the number of times the boat bobs up and down per minute as a result of encountering the waves.A sound wave has frequency f and velocity VM in a particular solid medium. What is its wavelength in the medium? f = 400 Hz; (in m) VM = 3720 m/s; OA: 9.300 OB: 1.237x10¹ OC: 1.645x10¹ OD: 2.188x10¹ OE: 2.910x10¹ OF: 3.870x10¹ OG: 5.147x10¹ OH: 6.846x10¹Thank you! A 77.8-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. a) what is the displacement amplitude of a 77.8-Hz sound wave? b) what is the ration of the displacement amplitude to the average distance between molecules in air at room temperature, about 3.00 nm?