A sonic depth gauge is placed 3.5 m above the ground. An ultrasound pulse sent downward reflects off snow and reaches the device 0.017 seconds after it was emitted. The air temperature is -20 degrees C. a. How far in m is the surface of the snow from the device? ( round your answer to four significant figures) b. How deep in m is the snow

Q: A string on the violin has a length of 18 cm and a mass of 0.86 g. The fundamental frequency of the…

A: Given: Fundamental frequency, f1=1 kHz=1000 Hz Length of the string, L=18 cm=0.18 m Mass, m=0.86…

Q: Q1. Two waves travelling in the same direction are described by the wave functions: y1 (x,t) = 0.03…

A: Resultant of two wave.

Q: Deep ultrasonic heating is used to promote healing of torn tendons. It is produced by applying…

A: Given data: The radius of the transducer, r=1.20 cm=0.012 m The intensity of sound produced,…

Q: A sinusoidal wave travels along a string is described by y (x, t) = 0.00351 sin (65.3 x – 2.45 t)…

A: Given: The equation of the position of the wave is. yx,t=0.00351sin65.3x-2.45t…

Q: A violin string of ?=31.8 cm in length and ?=0.64gm⁄ linear mass density is tuned to play an A4 note…

A:

Q: . Find the wavenumber, period, frequency, wavelength, speed of propagation v and the direction of…

A:

Q: Two waves are simultaneously passing through a string and their equations are : amplitudes A₁ y₁ =…

A:

Q: A coyote can locate a sound source with good accuracy by comparing the arrival times of a sound wave…

A: a) The distance can be determined from Pythagorean theorem therefore,

Q: One of the guitar wire mass is 0.5 g and length 30.0 cm is stretched with a tension of 20.0 N. A…

A: The mass per unit length is μ=ml=0.5×10-3 kg0.3 m=1.67×10-3 kg/m

Q: Red light has a frequency of 4.0 x 1014 Hz. a.Find the speed of red light in a vacuum if its…

A: f=4×1014 Hzλ=7.5×10-7 m

Q: Earthquakes can produce three types of waves. One of these is a transverse wave called an S wave. A…

A:

Q: The frequency of the highest note on the violin is 3,520 Hz. a. How many harmonics of that note can…

A: a) Harmonics notes that we can hearThe formula for nth harmonic is,

Q: The frequency of the highest note on a certain musical instrument is 2000 Hz. a. How many harmonics…

A: From the question, the value of the fundamental frequency is: Thus, the frequency of the succeeding…

Q: A thin, 83.0 cm wire has a mass of 15.5 g. One end is tied to a nail, and the other end is attached…

A: Write the expression for velocity of the transverse wave on the wire .

Q: A physicist at a fireworks display times the lag between seeing an explosion and hearing its sound.…

A: t = 0.345 sec T = 28.5 C speed of sound = 331 + 0.6T = 331 + 0.6*28.5= 331+17.1=348.1m/s

Q: 2. In still air, with a speed of sound, v= 340.0m/s, you are driving directly toward a flat cliff…

A: Given: V=340 m/sfo=512 Hzf'=623.3 Hz

Q: The sound level at a distance d%3D28 m from a loudspeaker is 70 dB. What is the power (in Watt) at…

A: Sound intensity level,  Threshold sound intensity,  Distance from the speaker,

Q: Suppose an oncoming ambulance moving at 95 km/h emits a steady 820-Hz sound from its siren. a. What…

A:

Q: Jeremiah was investigating different aspects of sound waves. He listened to two sounds. Sound 1 had…

A: D option is correct Sound wave 1 had a lower frequency than sound wave 2.

Q: A police car with its siren on approaches a stationary observer at a speed of 33 m/s. The frequency…

A:

Q: On a hot summer day, a pesky little mosquito produced its warning sound near your ear. The sound is…

A:

Q: a. what should the string length L1 be? b. what should the string length L2 be?

A: Given, Linear density of string 1=2.90 g/m=2.90×10-3 kg/m Linear density of string 2=3.10…

Q: Two loudspeaker are separated by 2.5 m. A person stands at 3.0 m from one and at 3.5m from the other…

A:

Q: 11. A ringing alarm clock has a frequency of 1000 Hz. A person drops the ringing clock off a 50 m…

A: Given: The source frequency of the alarm clock is, fsource = 1000 Hz. The height of the building…

Q: A sound wave coming from a tuba has a wavelength of 1.10 m and travels to your ears at a speed of…

A:

Q: A.)A wave has a speed of 260.0 m/s and a wavelength of 5.2 m. What is the frequency of the wave?…

A: Given data: Wave speed (v) = 260.0 m/s Wavelength (λ) = 5.2 m Required: The frequency (f) and period…

Q: Two loudspeakers are separated by 2.5m A person stands at 3.0 m from one and at 3.5m from the other…

A:

Q: An organ pipe which acts as a open-end resonator has a length of 83 cm. Its fundamental frequency is…

A:

Q: Wave velocity do the following calculations.a. Find the velocity of a wave where λ = 50 m and d = 20…

A: Given (a) Wavelength λ = 50 m Depth (d)          = 20 m (b) Wavelength λ = 15 m Velocity (v)…

Q: As you are stopped for a traffic light an ambulance approaches you with a speed of 17 m/s. The…

A: Doppler shifted frequency when moving source (ambulance) approaches the listener at rest.…

Q: How much power the wave may carry?

A: Mass of wire = m =0.5 g = 0.0005 kg Length of wire =L = 30 cm = 0.30 m Mass per unit length  = û=…

Q: 1. Which of the following statements is correct? a. Light waves and waves on strings are transverse,…

A: (1) light wave is an transverse electromagnetic wave which propagates into the oscillation of…

Q: f the energy in a longitudinal wave travels from south to north, the particles of the medium would…

A: