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tensa zangetsu [6.8K]
3 years ago
6

Which segment shows the substance changing from a gas to a liquid

Physics
2 answers:
STALIN [3.7K]3 years ago
8 0

Answer:

Y-X

Explanation:

- For any substance, solid is the state with least temperature (because the particles have less energy: in fact, they are bond together, so they are not free to move), gas is the state with highest temperature (because particles have more energy, since they are totally free to move), while liquid state lies in the middle.

- In the graph, we can therefore associate U with the solid state (least temperature), W with the liquid state, and Y with the gas state (largest temperature).

- The section labelled with V corresponds to the solid-liquid transition, where the temperature remains constant (during phase transitions, temperature does not change). Similarly, the section labelled with X corresponds to the liquid-gas transition.

- The problem is asking us for the segment representing the change from gas to liquid. According to all the things we have written above, we can say that this is represented by the Y-X segments. In fact, in Y the substance is still a gas: by removing heat, the temperature decreases (we are going towards the left in the graph), until we reach segment X, which represents the transition from the gas to liquid state.

Evgesh-ka [11]3 years ago
6 0
The answer would be w-x 
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miskamm [114]

Answer: The object moves with constant velocity

Explanation:

In this velocity vs time graph we're dealing with Ap physics or regents physics. If we look at the slope we can see it is constant or not changing. Even so lets check the other answers and prove them wrong

The objects speed increases: This is wrong because the line shows a steady 5m/s with no change

The object is in free fall: If the object was in freefall the speed would be increasing as a result of acceleration due to gravity

The object moves with a constant speed: This seems to be the case since the slope or line doesn't change at all

The object stays at rest: Can't be right because the object is at a speed of 5m/s so we know its moving at least

The objects speed decreases: Again the line isn't going up or down so we can't say speed increases or decreases

4 0
2 years ago
Ball B is suspended from a cord of length l attached to cart A, which can roll freely on a frictionless, horizontal track. The b
Kazeer [188]

Answer:

a.Velocity of A and Velocity of B will be opposite in direction.

b.Both velocities have the same direction.

c. The two objects will move in a direction of some angle α.  

Explanation:

When the angle gets maximum the velocities of the two objects pull each other and move in opposite direction. But when the two objects make an angle zero degree with each other their motion is in the same direction.  

7 0
3 years ago
A paleontologist measures the ratio of carbon-14 to carbon-12 in a fossil skull found at a site. What technique is he using and
pav-90 [236]
The corect anwser would be d
8 0
3 years ago
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choli [55]

Answer:

11

Explanation:

1. You are going to be rounding down.

2. change the metric ton to kg.

1.000 * 10^3 kg = 1000 kg

1000 / 87 = 11.49 = 11 people

6 0
3 years ago
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serg [7]

Answer:

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Explanation:

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4 0
2 years ago
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