All categories

3 years ago

If a gas is heated up， how does this affect the motion of its particles？

1 answer:

7 0

In gases, temperature relates to its kinetic energy — the hotter the gas, the faster the particles will move (for example, if we take that the formula of kinetic energy is Ek = 3/2 * k * T where k iz Boltzmanns constant and T is temperature, we see that kinetic energy — which is the energy an object has when its moving — only really depends on the temperature.)

You might be interested in

Give an example of a measurement that is precise to the nearest tenth of a gram.

Svet_ta [14]

Answer:

So we have a measure in grams, we can start with something like:

143.523 grams.

Now we want this measurement to be precise to the nearest tenth of a gram.

The nearest tenth of a gram is the first digit after the decimal point, then the digits that come after this are not useful, because they are outside our precision range.

Then we must write our measurement as:

143.5 grams

Where the digit that came after the 5 was a 2, so we rounded down.

4 0

3 years ago

A positive point charge Q1 = 2.5 x 10-5 C is fixed at the origin of coordinates, and a negative point charge Q2 = -5.0 x 10-6 C

mario62 [17]

Answer:

3.62 m and - 1.4 m

Explanation:

Consider a location towards the positive side of x-axis beyond the location of charge Q₂

x = distance of the location from charge Q₂

d = distance between the two charges = 2 m

For the electric field to be zero at the location

E₁ = Electric field by charge Q₁ at the location = E₂ = Electric field by charge Q₂ at the location

$\frac{kQ_{1}}{(2 + x)^{2}}= \frac{kQ_{2}}{x^{2}}$

$\frac{2.5\times 10^{-5}}{(2 + x)^{2}}= \frac{5 \times 10^{-6}}{x^{2}}$

x = 1.62 m

So location is 2 + 1.62 = 3.62 m

Consider a location towards the negative side of x-axis beyond the location of charge Q₁

x = distance of the location from charge Q₁

d = distance between the two charges = 2 m

For the electric field to be zero at the location

E₁ = Electric field by charge Q₁ at the location = E₂ = Electric field by charge Q₂ at the location

$\frac{kQ_{1}}{(x)^{2}}= \frac{kQ_{2}}{ (2 + x)^{2}}$

$\frac{2.5\times 10^{-5}}{(x)^{2}}= \frac{5 \times 10^{-6}}{(2+x)^{2}}$

x = - 1.4 m

6 0

4 years ago

Answering the following questions will help you to focus on the outcomes of these experiments:

kotykmax [81]

Answer:

Explanation:

Because friction is always present, the actual mechanical advantage of a machine is always less than the ideal mechanical advantage.

7 0

3 years ago

Read 2 more answers

Which statement is true about the work done in lifting a box? Group of answer choices

Olegator [25]

Answer:

Its Constant so its c

Explanation:

The box is converted into the potential energy of the box.

7 0

3 years ago

Read 2 more answers

A team of scientists is working to determine if a meteor created a landform.

liubo4ka [24]

Answer:

geology , astronomy

Explanation:

The earth science is a body of knowledge that includes the fields of the all the natural science as the geology, astronomy and those relate to the planet earth and hence deals with the physical and the chemical constitution and other includes the planetary science

<u>The study of the lithosphere, hydrosphere, and the biosphere and takes a holistic view of the earth.</u>

Thus for a team of contents that are working to locates and fond out the exact cause of the meteor that led to the formation of land-forms will relate to the application of the geology and the astronomy.

3 0

3 years ago