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Q: stone is dropped into a well. the splash is heard 1.24 s later. what is the depth of the well?

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Q: 5. Mac number is? (a) Ma=1 Sonic flow (b) Ma 1

A: Mach number is define as the ration of speed of the object to the speed of the sound.

Q: 12. A stone is dropped into a deep well and is heard to hit the water 4.41 s after being dropped.…

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Q: A group of students measures the speed of sound to be 367 m/s on a day when the temperature is 24…

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Q: A sine wave has a frequency of 50 Hz. Its angular frequency is ____________ radian/second.

A: Given that: f=50 Hz To determine: Angular frequency

Q: What is the frequency of the object below? 3 2 1 -1 -2 -3 1s AAA [?] Hz

A: From given diagram ,   Since , object completes one cycle in                    (3.5 s - 1.5 s) = 2…

Q: The frequency of its

A: Frequency is number of vibrations completed in unit time . It is given that its takes 10 second to…

Q: A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff…

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Q: A train whistle emits a sound at a frequency of 300 Hz when it is stationary. If you are at the…

A: The frequency of the sound heard by the observer when the source is moving to a stationary observer…

Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 15 times the…

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Q: student is biking at 10.0 m/s and looks at their phone for 0.25 seconds to see who is calling how…

A: Given Speed = 10 m/s Time t = 0.25 s

Q: A stone is dropped into a water well, the sound when the stone hits the water is heard 16 seconds…

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Q: A student bangs two bits of wood together. She hears an echo from a wall 0.14 seconds later. The…

A: Distance of the wall = 25 m echo sound hear = 0.14 s

Q: You stand on the edge and shout "hello!" into an echo canyon. If the "hello!" takes 8 seconds to…

A: Given in question :  Time taken to return(t) = 8 seconds                                    Speed of…

Q: By increasing the number of the respective clicks in the mini-launcher, the speed is: Does not…

A: In mini launcher experiment audio clicks are used to change the range of the projectile only.

Q: A baseball fan sitting in the “cheap seats” is 150 m from home plate (Figure 6.53). How much time…

A: The speed of sound in air is about 344 m.s-1. The time elapses be defined as, t=dv

Q: A bat's sqeak takes 0.146 s to retun after reflecting off a moth.  How far away is the bat from the…

A: The time to reach the moth is,

Q: Greater force applied to a medium creates a A amplitude. larger smaller

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Q: At its peak, a tornado is 68 m in diameter and has 230 km/h winds. What is its frequency in…

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Q: An ambulance is passing you by with sirens on. Choose the correct statement about the frequency of…

A: The mathematical equation for calculating the frequency of when the ambulance is moving away from…

Q: For sound waves, different frequencies mean different (a) loudness (b) pitches (c) amplitudes. (d)…

A: Frequency is how often something happens in a given period of time.

Q: A stone is dropped into a well. The splash is heard 2.2 seconds later. What is the depth of the well…

A: Given information: Here, t is the time after which the splash is heard and vs is the sound’s speed…

Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 19 times the…

A: Given:Speed of sound in air, va=344 m/sspeed of sound in rod, vr=19 va=19×344=6536 m/stime interval…

Q: The magnitude of dB is inversely proportional to:

A: Biot-Savart Law: This question is related to Biot-Savart Law

Q: An object is dropped from a cliff into the sea. The impact of the object on the sea surface was…

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Q: A particular car engine produces a frequency of 250 Hz. A student listening to the engine of the car…

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Q: Rachel watches a thunderstorm from her window. She sees the flash of lightning bolt and begins…

A: Known values are speed of sound = 340 m/s and time to reach sounds of thunder = 5.0 s. 1. Unknown is…

Q: A bat emits a sonar sound wave (343 m/s) that bounces off a mosquito 8.42 m away. How much time…

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Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 16 times the…

A: speed of sound in air = 344 msspeed of sound in rod = 16 times the speed of sound in air time…

Q: Convert the following to Sl units: 38 Jam/ms

A: SI unit or International System of Units is the modern form of metric system that is used around the…

Q: A deep sea ocean vessel uses SONAR to detect the ocean's bottom. Sound waves are emitted from the…

A: Given:  velocity, v = 1450 m/s  distance,  = 1630 m

Q: What is the SI unit of frequency? A) Newton B) Watt C) Farad D) Hertz

A: Newton is SI unit of Force.  Watt is SI unit of Power. Farad is SI unit of Capacitance. Hertz is SI…

Q: A jogger hears a car alarm and decides to investigate. While running toward the car, she hears an…

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Q: Pressing down a key on a piano makes a hammer strike a string. The fundamental frequency of a piano…

A: Pressing down a key on a piano makes a hammer strkes a string.

Q: describe pitch and frequency for hearing

A: A human ear identifies the sound by three parameters (a) pitch (b) loudness and (c) quality. All the…

Q: Akg

A: Given, Mass of objects, m1=1 kg,m2=2 kg Coefficient of friction between surfaces,μk=0.4

Q: A bat chirps to locate a tasty lunch. The chirp travels at the speed of sound in air and its echo is…

A: Let the distance to the lunch be D metersTotal distance travelled by the chirp, is 2D; velocity of…

Q: ts Karen shouts across a canyon and hears an echo 8.7 s later. How wide is the canyon? The speed of…

A: Let us assume that  Karen starts shouting at t=0 She heards an echo after t =8.7 s Speed of sound =…

Q: A woman’s voice is shriller than a man’s voice due to:    A) weak vocal chords B) lower frequency C)…

A: A woman’s voice is shriller than a man’s voice due to:  C) higher frequency The pitch of a woman's…

Q: Increasing the period the frequency increases doesn't change decreases

A: The frequency is the reciprocal of the period

Q: 6. Solve for unknown parameters 90 0.91 6A A

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Q: Mechanical resonance is based upon?

A: Solution

Q: 36 - The magnitude of dB is inversely proportional to: O A) r2 O B) None of them O C) µ O D) sinO

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Q: A tsunami is a sea wave produced by an underwater earthquake. The height of a tsunami as it…

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Q: 10:26 . Shop E AIATS For Two Year Medic... 26 /180 Mark for Review The fundamental frequency of a…

A: Let f be the original frequency and f' be the new frequency. Since, frequency increased by 6 Hz.…

Q: 30. A man drops a rock into a well and he hears the splash 3.00 seconds later. If the air…

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Equation of Waves

Wave is an oscillation or disturbance traveling in a medium. It performs the transportation of energy but does not carry any matter. This motion of waves will transport fuel in a medium without permanent transfer of mass (particle).