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# a sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the earth’s surface. what has the sound wave most likely encountered? a different kind of rock an underground lake an open cavity a pile of dinosaur bones

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### James

Guys, does anyone know the answer?

get a sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the earth’s surface. what has the sound wave most likely encountered? a different kind of rock an underground lake an open cavity a pile of dinosaur bones from EN Bilgi.

## A sound wave traveling downward with a speed of about 4000 m per 2nd suddenly slows to 1500 m per 2nd not far below the Earth's surface what

A sound wave traveling downward with a speed of about 4000 m per 2nd suddenly slows to 1500 m per 2nd not far below the Earth's surface what has the sound

## A sound wave traveling downward with a speed of about 4000 m per 2nd suddenly slows to 1500 m per 2nd not far below the Earth’s surface what

Home/ English/Physics/A sound wave traveling downward with a speed of about 4000 m per 2nd suddenly slows to 1500 m per 2nd not far below the Earth’s surface what

## A sound wave traveling downward with a speed of about 4000 m per 2nd suddenly slows to 1500 m per 2nd not far below the Earth’s surface what

Question

A sound wave traveling downward with a speed of about 4000 m per 2nd suddenly slows to 1500 m per 2nd not far below the Earth’s surface what has the sound wave most likely encountered

in progress 0 Physics MichaelMet 6 months 2 Answers 35 views 0 Share

quangkhai 0

July 16, 2021 at 11:42 am

Answer: the waves probably hits an open cavity

Explanation:

Sound waves transfers energy in form of vibration through water,the speed of sound is greatest in solids followed by liquids and gases,for we to observe such a reduction from 4000m/s to 1500m/s that means it sound had been transmitted through air like open cavity seen in intrusive rock beneath the earth.

Tryphena 0

July 16, 2021 at 11:42 am

Options:

a) A different kind of rock

b) An underground lake

c) An open cavity

d) A pile of dinosaur bones

Option B. An underground lake

Explanation:

The speed of sound in water ranges from 1450 m/s to 1500 m/s. The speed of the sound wave changes because it has crosses two media of different densities. This wave is bound to have a change in direction because of change in the density and speed of the media it passes.

The 1500 m/s speed in the second medium shows that the medium is a pool of water. The only option that applies is an underground lake

Source : documen.tv

## Properties of Waves Quiz Flashcards

Study with Quizlet and memorize flashcards terms like Which describes the amplitude of a wave when it carries more energy?, What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m?, A sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the Earth's surface. What has the sound wave most likely encountered? and more.

## Properties of Waves Quiz

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Which describes the amplitude of a wave when it carries more energy?

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It is higher.

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What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m?

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174 m/s

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1/15 Created by FlamesZ_Vex

### Terms in this set (15)

Which describes the amplitude of a wave when it carries more energy?

It is higher.

What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m?

174 m/s

A sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the Earth's surface.

What has the sound wave most likely encountered?

an underground lake

A wave is traveling at 36 m/s. If its wavelength is 12 m, how many times does a wavelength move across a set point every second?

three times

Julia performs an experiment to measure the wavelength of four different waves and records her data in the table below.

Which accurately ranks the waves from the lowest energy wave to the highest energy wave?

1 → 4 → 2 → 3

A wave of infrared light has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave?

0.5 Hz

A beam of light is traveling through a medium at 200,000 km/s. It enters a different medium and speeds up to almost 250,000 km/s. Finally, it enters a third medium and halts.

What were the media the light traveled through, in order?

liquid, gas, opaque solid

Which refers to any disturbance that carries energy from one place to another through matter and space?

wave

Which equation could be rearranged to calculate the frequency of a wave?

wavelength = speed/frequency

Which best describes the relationship between the terms "frequency," "wavelength," and "hertz"?

Frequency is the number of wavelengths, which is measured in hertz.

Which answer choice provides the best set of labels for Wave A and Wave B?

Wave A: Low Frequency WaveWave B: High Frequency Wave

Which are examples of a medium?

water and air

Aansi wants energy on a sound wave to be carried more quickly through a metal medium. Which could she do?

increase the temperature

A wave is traveling at 36 m/s. If its wavelength is 12 m, how many times does a wavelength move across a set point every second?

three times

What is the speed of a wave with a wavelength of 3 m and a frequency of .1 Hz?

0.3 m/s

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A projectile is launched at some angle to the horizontal with some initial speed vi, and air resistance is negligible. What is its acceleration in the vertical direction?

The free-electron density in a copper wire is

8.5 \times 10^{28} \mathrm { electrons } / \mathrm{m}^{3}

8.5×10 28 electrons/m 3

. The electric field in the wire is 0.0600 N/C and the temperature of the wire is 20.0

^{\circ} \mathrm{C} ∘

C. (a) What is the drift speed

v_{\mathrm{d}} v d ​

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## A sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the Earth’s surface. W

Answer: an underground lakeExplanation:In general, sound (mechanical waves) travels faster in solids than in liquids, and faster in liquids than in g

Sonja [21] 1 year ago 11

## A sound wave traveling downward with a speed of about 4,000 m/s suddenly slows to 1,500 m/s not far below the Earth’s surface. W

hat has the sound wave most likely encountered? a different kind of rock an underground lake an open cavity a pile of dinosaur bones

SCORPION-xisa [38]1 year ago

6 0

Explanation:In general, sound (mechanical waves) travels faster in solids than in liquids, and faster in liquids than in gases. This is because the speed of the mechanical waves is determined by a relationship between the elastic properties of the medium in which they are propagated and the mass per unit volume of the medium (that is:density).

In other words: The speed of sound varies depending on the medium through which the sound waves travel.

So, if we are told the sound wave initially had a speed of 4,000 m/s and it suddenly decreases to 1,500 m/s, this means the sound waves passed from a solid medium to a liquid medium.

Hence, the correct option is: an underground lake.

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