Sound waves can't travel through A. an elastic material.
B. a liquid.
(C. a solid.)
D. a vacuum.
I answered C and it's not correct so i dont know what else it could be please help
Answers
Sound waves can travel through ANY material ... solid, liquid, or gas.
The thing is: Sound NEEDS material to travel through, and if there's
nothing there, then sound can't go anywhere. The correct choice
on the list is 'D' ... Sound can't travel through vacuum, because
there's nothing there. When we talk to each other, the AIR between
us carries the sound waves.
Have you ever seen any video of two astronauts standing on the
moon, or two astronauts "space-walking" on the outside of the
Space Shuttle ?
Naturally, they have their helmets on, and they're talking to
each other. How are they talking ? No matter how close together
they are, they're talking to each other by radio ! because there's
nothing between them to carry sound. Even if they're only a few
inches apart, they can SHOUT but the other one can't hear it.
I have read ... I don't think there's any video of this ... that sometimes
when two astronauts are very close together, they can talk if they
touch their helmets together. Then the sound vibrations can go from
one helmet over to the other one, through the solid shell of the helmets.
Sound waves can't travel through a vacuum. The correct option is D.
Sound waves are mechanical waves that require a medium to propagate. They travel through the vibration and interaction of particles within a medium. Now let's analyze why the other options are not true:
A) An elastic material: Sound waves can travel through elastic materials such as rubber, steel, or any other solid material. In fact, solids are one of the best conductors of sound due to the close arrangement and strong intermolecular forces between their particles.
B) A liquid: Sound waves can travel through liquids such as water, oil, or any other fluid. In liquids, the particles are loosely bound, allowing them to transmit sound waves through their vibrations.
C) A solid: Sound waves can also travel through solids. As mentioned earlier, solids are excellent conductors of sound due to the tight arrangement and strong intermolecular forces between their particles. The particles of a solid can transmit sound waves through their vibrational motion.
D) A vacuum: Sound waves cannot travel through a vacuum, which is an empty space devoid of any matter or particles. Since sound waves require a medium to propagate, a vacuum, by definition, lacks the necessary particles for sound wave transmission. In a vacuum, there are no particles to vibrate and transmit the sound waves, thus making it impossible for sound to travel.
Therefore, sound waves require a medium for propagation, and they cannot travel through a vacuum. They can travel through solids, liquids, and elastic materials where particles are present to transmit wave energy.
To learn more about Sound Waves click:
#SPJ6
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Answers
Benjamin Banneker did this in 1792. Hope this helps
b. It is an area of high pressure.
c. It has air masses that meet and rise.
d. It moves in the direction of the Earth’s rotation.
Answers
srry for short answer :)
Answer:
b is the appropriate answer
Explanation:
Answers
1). the product of the masses of the two bodies
2). the distance between their centers of mass
b.) How high is the diving platform?
Answers
Just use v=d/t
d = vt
d = 7 x 1.5
For part b
Vf=Vi +at
Vf=0 + (9.8)(1.5)
d= ((Vi + Vf) /2) x t
d = ((0 + Vf) /2) x 1.5
In second equation, use Vf found in first equation
Answers
If the object is known to be accelerating even though it's traveling
in a straight line, then we know that its speed must be changing.
B. 17,705.1 J
C. 20,075.04 J
D. 51,302.88 J
Please include how you got your answer , thank you.
Answers
Answer:
B. 17,705.1 J
Explanation:
The hear released when the mercury condenses into a liquid is given by:
where
m = 0.06 kg is the mass of the mercury
is the latent heat of vaporization
For mercury, the latent heat of vaporization is , so the heat released during the process is:
So, the closest option is
B. 17,705.1 J
The energy ( in joules ) released when 0.06 kilograms ofmercury is condensed to a liquid at the same temperature is about 697.08 J. inother to solve this problem, should know the latent heat of fusion of mercurywhich is equal to about 11.4 kJ/kg and multiplying by mass of mercury.