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svp [43]
3 years ago
12

Describe how sound waves move through different types of matter. Compare the speed at which sound moves through solids, liquids,

and gases and explain why sound travels differently through different types of matter?
Physics
1 answer:
Andru [333]3 years ago
7 0
Sound waves need different media in order to travel. This travels by the movement of the atom transferred to another up to its destination. The speed of sound is greatest in solids since the molecules of solid are closely packed together, followed by liquid and they are slowest in gases. 
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2. The ability to keep<br> upright posture while standing or moving
Masteriza [31]
Is balancing .
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4 0
3 years ago
imagine riding a single-speed bicycle. why do you have to push harders on the pedals to start the bicycle moving than to keep it
Flura [38]
A large force is required to accelerate the mass of the bicycle and rider. Once the desired constant velocity is reached, a much smaller force is sufficient to overcome the ever-present frictional forces. 
3 0
3 years ago
Which statement explains why a short eyeball causes farsighted
snow_lady [41]
I think the correct answer would be the rays of light focus behind the retina. It is a condition called farsightedness or hyperopia.  Due to his, objects that are close to the eyes seems to be blurry and as it worsens everything would become blurry to the eye.
8 0
3 years ago
Read 2 more answers
A capacitor consists of two closely spaced metal conductors of large area, separated by a thin insulating foil. It has an electr
Oksi-84 [34.3K]

Answer:

1 = 5.4 J

2 = 0.1979 C

3 = 5

Explanation:

Energy in a capacitor, E is

E = 1/2 * C * V²

E = 1/2 * 3000*10^-6 * 60²

E = 1/2 * 3000*10^-6 * 3600

E = 1/2 * 10.8

E = 5.4 J

E = Q²/2C = 6.53 J

E * 2C = Q²

Q² = 6.53 * 2 * 3000*10^-6

Q² = 13.06 * 3000*10^-6

Q² = 0.03918

Q = √0.03918

Q = 0.1979 C

The Capacitor, C is inversely proportional to the distance of separation, D. Thus, if D is increased by 5 to be 5D, then C would be C/5. And therefore, our energy stored in the capacitor is increased by a factor of 5.

4 0
4 years ago
Una pelota de voleibol de 0.45 kg es impactada (golpeada) por una fuerza de 80 N. ¿ Cuál es la aceleración que experimenta la pe
KIM [24]

Answer:

a = 177.77 [m/s^2]

Explanation:

Este es un problema relacionado con la segunda ley de Newton. La cual nos dice que la sumatoria de fuerzas aplicada sobre un cuerpo debe ser igual al producto de la masa por la aceleración.

De esta manera tenemos:

F = m*a

F = fuerza = 80 [N]

m = masa = 0.45 [kg]

80 = 0.45 * a

a = 80 / 0.45

a = 177.77 [m/s^2]

5 0
4 years ago
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