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cupoosta [38]
3 years ago
5

Explain what happens to the average kinetic energy, thermal energy, and temperature of a substance when the particles in the sub

stance slow down.
Physics
2 answers:
mamaluj [8]3 years ago
8 0

When particles in a substance slow down, we can infer that the object is getting colder. Why we can infer this:

1. Kinetic energy, is energy due to motion, therefore if there is no motion, there is no kinetic energy.  

2. The colder an object get, the closer it becomes to having it's particles stopping completely, eventually at the absolute zero.  

3. As kinetic energy increases, particles  move faster. Kinetic energy usually increases when an object gets warmer. As kinetic energy decreases, particles move slower. Kinetic energy usually decreases when an object gets colder.  

So, with this information, we now how and why the kinetic energy slows down.

Mekhanik [1.2K]3 years ago
7 0

Explanation:

The particles in a substance slow down when the average kinetic energy of the particles decreases. As the average kinetic energy decreases, the internal energy decreases, and so the thermal energy decreases. As the thermal energy of the substance decreases, the temperature decreases.  

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If a 15kg mass weighs 372 N on Jupiter, what is Jupiter's gravitational acceleration?
Dimas [21]

Answer:

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Explanation:

Recall that the weight under the influence of a gravitational acceleration G is defined as:

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Then, in our case we have

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G = 372/15  m/s^2

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3 0
3 years ago
An airplane traveling 245 m/s east experiences turbulence, so the pilot slows down to 230 m/s. It takes the pilot 7
USPshnik [31]

Answer:

The acceleration of the plane is -2.14 m/s² ⇒ 2nd answer

Explanation:

<u><em>Acceleration</em></u> is the rate of change of velocity

The unit for acceleration is meters per second square

The rule of the acceleration is: → a=\frac{v-u}{t}

where a is the acceleration, u is the initial velocity, v is the final velocity

and t is the time

An airplane traveling 245 m/s east experiences turbulence so the pilot

slows down to 230 m/s

It takes the pilot 7  seconds to slow down to this speed

We need to find the acceleration of the plane

Lets use the rule above

→ u = 245 m/s , v = 230 m/s , t = 7 seconds

→ a=\frac{230-245}{7}

→ a=\frac{-15}{7}=-2.14

→ The acceleration is -2.14 m/s²

<em>The acceleration of the plane is -2.14 m/s²</em>

5 0
3 years ago
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Lerok [7]

Answer:

Image result for If the world was not tilted, what would happen to the people living on Earth

If the Earth weren't tilted on its axis, there would be no seasons. And humanity would suffer. When a Mars-size object collided with Earth 4.5 billion years ago, it knocked off a chunk that would become the moon. It also tilted Earth sideways a bit, so that our planet now orbits the sun on a slant

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Answer:

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Given.

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3 years ago
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