Does a sound wave move faster in seawater or fresh water, if both the sea water and fresh water are at the same temperature and the sound wave moves near the surface? (ρw ≈ 1000 kg/m3, ρs ≈ 1030 kg/m3, Bw = 2.15 × 109 Pa, Bs = 2.34 × 109 Pa)

Q: Two waves are described by Y1=0.39 sin[z( 6x-220t)] and y2 = 0.39 sin[z(6x - 220t) + 7/ 5], where…

A:

Q: The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius.  Suppose you put a…

A: we know that

Q: A bat at rest sends out ultrasonic sound waves at 60.0 kHz and receives them returned from an object…

A:

Q: The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius. Suppose you put a…

A:

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 bird is flying directly toward a stationary bird-watcher and emits a frequency of 1280 Hz. The…

A:

Q: 1. Air temperature in the Sahara Desert has been known to reach 56.0 °C (about 134 °F). You are…

A:

Q: Sound wave is passed through the loudspeaker so that the sound intensity increased by Lp=50 dB. How…

A: Given: Sound wave is passed through the loudspeaker so that the sound intensity increased by Lp=50…

Q: You have two air columns that are each 2.330 m long. One column is open at both ends and the other…

A:

Q: The bulk modulus and the density of a liquid is B = 584 MPa and ρ = 1,027 kg/m3, respectively. What…

A: Given data: bulk modulus B = 584 MPa.   Density of liquid (ρ0) =1027 kg/m3.

Q: A bat flying at 27.64 m/s towards a wall emits a chirp at 9.8857 kHz. If the pulse is reflected by…

A:

Q: What is the speed of sound in air at a temperature of 31 degrees Celsius? O a O b Oc Od 332 m/s 362…

A: We know speed of sound is different in different temperature and the formula for calculating it is ,…

Q: You hear a sound of (4.0x10^1) decibels. What is the intensity? Give your answer in microwatts/m2…

A: Given data: Intensity level (β) = 4.0 × 101 dB Threshold of hearing (I0) = 1.0×10-12 W/m2  1 μW =…

Q: A sound wave is described by D(y,t)=0.2mm sin(8.96y+3140t+pi/4) where y is in meters and t is in…

A: The wave equation for a sinusoidal wave propagating on +x direction: y(x,t)=A sin2πxλ-tT+ϕ0=A sin…

Q: Two waves travelling in the same direction are given by: y1(x,t) = 0.2 sin(3rx- 20t+T/2) and y2(x,t)…

A: Let 3πx-20t=θ. Given that:- y1=0.2sin(3πx-20t+π2)=0.2sin(π2+θ)y2=0.2sin(3πx-20t)=0.2sinθ

Q: An fıre truck races down a road at 75 km/h with its siren blazing. The siren has a frequency of 580…

A: Calculate the speed of sound in air at T=22°C. v=331 m/s1+T273 °C=331 m/s1+22 °C273 °C≅344 m/s Here,…

Q: You are in an auto traveling at 62 m/s toward a pole-mounted warning siren. If the siren’s frequency…

A:

Q: A bat emits ultrasonic sound of frequency 1000 kHz in air. If the sound meets a water surface, what…

A: Given:a)Frequecy of the ulyrasonic sound (f)=1000Hz=106HzSpeed of sound in the air (Va)340m/s

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 pressure in a travelling sound wave is given by the equation: Δp = (1.00) sin π [0.900x – 315t]…

A: Given: Δp = (1.00) sin π [0.900x – 315t] ρair = 1.21 kg/m3

Q: A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1370 Hz. The…

A: Data Given ,  Frequency emits by bird ( fs ) = 1370 Hz Frequency hears by bird watcher ( f0 ) = 1430…

Q: The pressure wave, P = 0.01 sin [1000t - 3x] Nm2, corresponds to the sound produced by a vibrating…

A: Given: The pressure wave is P=0.01 sin1000t-3x.           The speed of the sound is 336 m/s.  To…

Q: The intensity of a sound wave emitted by a radio is 5.00 µW/m2. What is the sound level (in dB)?

A:

Q: Suppose a solution to the wave equation is given by y(x,t) = A exp(wt + kx), where A = 4 m, w = 16…

A:

Q: A sound wave has an intensity level of 118.8 dB in air. The density of air at 20.0°C is ρ = 1.20…

A: Given intensity level of sound =β = 118.8 dB density of air = ρ = 1.20 kg/m3 speed of sound = v =…

Q: A sound wave is modeled as ΔP = 1.80 Pa sin (55.41 m−1 x − 18,840 s−1 t). What is the maximum change…

A: The pressure of sound wave can be expressed as

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: Bats emit ultrasonic waves with a frequency as high as 1.10 × 105 Hz. What is the wavelength of an…

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: Dolphins make sounds in air and water. What is the ratio of the wavelength of a sound in air to its…

A: Given data Tc=20°c=293 K

Q: Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the…

A: The intensity of sound waves can be defined as I=PmaxA.....1Pmax -The maximu power reaching the area…

Q: There was an accident and NASA engineers are trying to sort out where two of their Mars Rovers,…

A: Recall VαTSpeed of sound is proportional to square root of temperature.

Q: Calculate the sound intensity level in decibels for a sound wave traveling in air at 0 ºC and having…

A:

Q: A sound wave of the form s = Sm cos(kx - wt + p) travels at 344 m/s through air in a long horizontal…

A: Given v=344m/s s=6.00nm , x=2.03m s=2.30 nm , x=2.08 m Since s is max at x=2.03 m, then sm=6.00nm…

Q: A standing wave with wavelength A = 1.2 m and frequency f = 100 Hz is generated on a stretched cord.…

A: The maximum velocity is given by  v = w A  where, w is the angular frequency and A is the amplitude.…

Q: oaches you at 760 mi/h. It produces a sound at a frequency of 256 Hz. What frequency do you hear?…

A: It produces a sound at a frequency  f = 256 Hz vs  = 760 mi/h = 339.75 m/s  Find:- What frequency do…