The speed of sound in a solid medium is 15 times greater than that in air. If the frequency of a wave in the solid is 61 kHz, then what is the wavelength? (The speed of sound in air is 344 m/s.)

A sound wave at 20° C has pressure amplitude of 2.00 Pa. The density of air is 1.2 Kg/m and the threshold for hearing intensity is 1012 w/m2. The speed of sound in air is 344 m/s. (a) Find the intensity of the sound wave. (b) Find the intensity in decibels.

the wave functions for two harmonic waves are given by : y1(x,t)=(0.1m)sin(1.0x-3.0t), y2(x,t)=(0.1m)sin(1.0x-3.0t+π/2) where x is in metres and t is in seconds. write the wave function of the resultant wave when the two waves interfere. what is the amplitude of the resultant wave

Sound intensity D (decibels) is measured relative to the lowest human–detectable sound I0 = 10–12 W m–2. D = 10 log (I/I0)  What is the relative intensity from a jet with I = 9.5 × 102 W m–2 ?   D = 95   D = 150   D = 15

A steel cable with total length 53 m and mass 120 kg is connected to two poles. The tension in the cable is 1,578 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable.

Consider a string of length 50 cm fixed at both ends. It is plucked or struck at t=5s. Assume the speed of sound is 343 m/s. The fundamental frequency is f1 = 34.3 rad/s A B с D f1 = 646 Hz f1 = 343 Hz f1 = 34.3 Hz

The equation of a sound wave traveling through water is given as s = 3.00×10^-4 sin(2000t − 1.348x), where s and x are in meters and t is in seconds.  (a) The wavelength of the sound is  (b) The velocity of water molecules at x = 0 and t = 3.14 s is  (c) If the density of water is 1000 kg/m^3 and the speed of the sound wave in water is 1482 m/s, then the maximum pressure variation is

A wave on a string is described by y (x, t) = A sin[kx - wt], where A = 0.020 m, k = 3.88 rad/m, and w = 4.39 rad/s. What is the speed of this wave? Give your answer in units of m/s to two decimal places.

Sound 1 has an intensity of 36.0 W/m2. Sound 2 has an intensity level that is 2.3 dB greater than the intensity level of sound 1. What is the intensity of sound 2?

A flute is designed so that it plays a frequency of 268.2 Hz, when all the holes are covered and the temperature is 18.2°C. (a) What is the speed of sound in the flute? A flute is designed so that it plays a frequency of 268.2 Hz, when all the holes are covered and the temperature is 18.2°C. (b) What is the wavelength of the first harmonic? Consider the flute to be a pipe open at both ends  A flute is designed so that it plays a frequency of 268.2 Hz, when all the holes are covered and the temperature is 18.2°C. (c)Consider the flute to be a pipe open at both ends and find its length, assuming this frequency is the fundamental frequency A flute is designed so that it plays a frequency of 268.2 Hz, when all the holes are covered and the temperature is 18.2°C. A second player, nearby in a colder room, also attempts to play middle C on an identical flute. A beat frequency of 3.00 beats/s is heard.  (e) What is the speed of sound in the second room? A flute is designed so that it plays a…