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Fofino [41]
4 years ago
7

Which best explains why sound travels faster through a solid

Physics
2 answers:
Masteriza [31]4 years ago
8 0
Its because the molecules in the solid structures are very close to each other and rigidly packed, thus due to this quantum structure they have pretty awesome speed of sound in them
malfutka [58]4 years ago
3 0
The spacing of molecules enables sound to travel faster through a solid (it is packed more tightly)
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Which sphere of Earth includes the continental ice sheets and glaciers? Biosphere Cryosphere Geosphere Hydrosphere
REY [17]

Answer:

C. Cryosphere

Explanation:

The definition for Cryo is:

Involving extreme Coldness and etc.

There are studies done on Cyro Freezing the body to preserve the body until there is a cure for a deadly disease. They do this as well to try to live in the future. Our technology hasn't been able to get the people alive yet, but when we do.

If you ever need to think of "Cryo" just think of Cryo Freezing.

4 0
3 years ago
help please what is the heat required in kilocalories to convert 2 kg of ice at 0°c completely into steam at 100°c? a. 80 calori
ivann1987 [24]
<span>Q = mL 
</span>
We need to know the latent heat of fusion, L, for 0 degrees.

L = 336 kJ/kg, m = 2kg

where L is the latent heat for vaporization

Q = 2 * 336 = 672 kJ

For conversion between 0 and 100 degree Celsius

Q = mcθ,   specific heat capacity = 4.2 kJ/kgK

Q = 2*4.2* (100 - 0) = 840 kJ

For conversion to steam at 100 degrees Celsius

<span>Q = mL ,  L = latent heat of vaporization = 2256 kj/kg
</span>
Q = 2 * 2256 = 4512 kJ

Total heat = 672 + 840 + 4512 = 6024 kJ

= 6 024 000 J

But 1 calorie = 4.2 J

Therefore 6 024 000 J will be:           6 024 000/4.2 ≈ 1 434 286 Calories

≈ 1 434 kCalories
4 0
3 years ago
A car going 12m/s travels a distance of 1.5 km. How long did it take the car to travel this distance?
Novosadov [1.4K]

Answer:

125 s

Explanation:

Distance = rate × time

1500 m = (12 m/s) t

t = 125 s

3 0
4 years ago
The United States and South Korean soccer teams are playing in the first round of the World Cup. An American kicks the ball, giv
Aleks04 [339]

Answer:v=2.82 m/s

Explanation:

Given

initial velocity of ball(u)=3.6 m/s

ball rolls a distance(s) of 5 m

ball acceleration =-0.5 m/s^2

Velocity of ball when it is intercepted by Korean player

v^2-u^2=2as

v^2=3.6^2+2(-0.5)(5)=7.96

v=\sqrt{7.96}

v=2.82 m/s

3 0
3 years ago
When a particle vibrates and passes to the next vibration what happens?
kaheart [24]
Im not sure how detailed your answer is supposed to be but here it is: The particle that vibrates contains energy. That exact amount of energy is passed on to the next particle. This occurs because as you must know, energy is neither created nor destroyed. The same amount of energy contained in the vibration is simply passed on.
4 0
3 years ago
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