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LenaWriter [7]
3 years ago
9

in the diagram, the solid eventually becomes a gas. what will happen to bring the substance from a solid to a gas?

Physics
1 answer:
Gennadij [26K]3 years ago
5 0
Sublimation is the answer

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You are 2m from one audio speaker and 2.1m from another audio speaker. Both generate the identical sine wave with a frequency of
Bogdan [553]

Answer:

the phase difference is 1.26 radian

Solution:

As per the question:

Distance, d = 2 m

Distance from the other speaker, d' = 2.1 m

Frequency, f = 680 Hz

Speed of sound, v = 340 m/s

Now,

To calculate the phase difference, \Delta \phi:

Path difference, \Delta d = d' - d = 2.1 - 2 = 0.1\ m

For the wavelength:

f\lambda = v

where

c = speed of light in vacuum

\lambda = wavelength

Now,

680\times \lambda = 340

\lambda = 0.5\ m

Now,

Phase difference, \Delta phi = 2\pi \frac{\Delta d}{\lambda}

\Delta phi = 2\pi \frac{0.1}{0.5} = 1.26\ rad

6 0
3 years ago
Trình bày những hiểu biết của em về đại lượng vận tốc dài, vận tốc góc(định nghĩa, công thức, ý nghĩa, đơn vị, loại đại lượng).
harina [27]
Provide more information please
4 0
2 years ago
What are input energy and output energy?​
makkiz [27]

Answer:

Explanation:

Input​ refers to the amount of energy put into a device, and ​ output​ refers to the amount of energy that comes out. A device may change the type of energy but not the amount. For example, a light bulb's input energy is the form of electrical energy, and its output energy is in the form of light and heat. Efficiency.

3 0
2 years ago
A desk was moved 12 m using 280 j of work. how much force was used to move the desk?
Oksana_A [137]
Let F =  required force, N

Given:
d = 12 m, distance
W = 280 J, work done

By definition,
W = F*d,
therefore
(F N)*(12 m) = (280 J)
F = 280/12 = 23.33 N

Answer: The force is 23.3 N (nearest tenth)
4 0
2 years ago
Douglas has a segment with endpoints I(5, 2) and J(9, 10) that is divided by a point K such that IK and KJ form a 2:3 ratio. He
Rufina [12.5K]
For the answer to the question above, 
 the distance from i to j is 5 parts 
(2 parts from i to k and 3 parts from k to j) 

The y distance from i to j is 
10 - 2 = 8 

Each part is 8/5 = 1.6 
Therefore the distance between the 2 parts from i to k is 3.2 

From the y coordinate of I which is 2 plus the 3.2 to point k 
2 + 3.2 = 5.2 

Answer y =5.2 

Now just convert that to fraction and that will be the answer
3 0
2 years ago
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