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3 years ago

What is true about surface waves?

Physics

2 answers:

fredd [130]3 years ago

6 0

B. is the correct answer

marshall27 [118]3 years ago

6 0

Answer: The correct answer is B.

Explanation:

In longitudinal wave, the vibrations of the particle of the medium is parallel to the direction of the motion of the wave.

In transverse wave, the vibrations of the particle of the medium is perpendicular to the direction of the motion of the wave.

In surface wave, the particles of the medium undergo circular motion. The surface wave is neither longitudinal nor transverse.

Therefore, surface waves are the disturbances which travel in the circular motion.

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What is the electric potential energy of a charge that experiences a force of 3.6 x 10^-4N when it is 9.8 x 10^-5 from the sourc

Levart [38]

The electric potential energy of the charge is equal to the potential at the location of the charge, V, times the charge, q:
$U=qV$
The potential is given by the magnitude of the electric field, E, times the distance, d:
$V=Ed$
So we have
$U=qEd$ (1)
However, the electric field is equal to the electrical force F divided by the charge q:
$E= \frac{F}{q}$
Therefore (1) becomes
$U=Fd$
And if we use the data of the problem, we can calculate the electrical potential energy of the charge:
$U=Fd=(3.6 \cdot 10^{-4}N)(9.8 \cdot 10^{-5} m)=3.53 \cdot 10^{-8} J$

7 0

3 years ago

Friction _____

kap26 [50]

<h2>A is the correct answer!</h2><h3></h3><h3>I'm too lazy to explain :(</h3><h3></h3><h3><em>Please let me know if I am wrong.</em></h3>

6 0

3 years ago

How does diffraction enable somebody to hear your voice from anywhere in the room?

Vilka [71]

Diffraction means spreading out of waves that has the same wavelength as the size of the gap. Sound waves have high wavelength and so it diffracts\spreads out and enables anyone to hear your voice from anywhere outside the room.

For inside the room, the sound waves doesn't actually diffract. They collide with the air particles, causing a series of compressions and rarefactions which spreads out in the air particles and anyone can hear your voice.

Air is the medium for the sound waves to travel.

4 0

3 years ago

A bag of books took 3 minutes to move. You did 12,900 J of work. How much power was required to move the bag?

dlinn [17]

The answer is 38,700.

4 0

3 years ago

What is hydrometer? Describe its use and any one type of hydrometer.

nexus9112 [7]

Answer:

An instrument for measuring the density of liquids.

Explanation:

A hydrometer is an instrument used to determine specific gravity. It operates based on the Archimedes principle that a solid body displaces its own weight within a liquid in which it floats. Hydrometers can be divided into two general classes: liquids heavier than water and liquids lighter than water.

Thermohydrometers is one type of hydrometer.

7 0

3 years ago