2 years ago

What happens to the density of gas when it compressed

Physics

1 answer:

Stella [2.4K]2 years ago

3 0

When a gas is compressed, its particles are pushed closer together so it is more dense.

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A purse at radius 2.30 m and a wallet at radius 3.45 m travel in uniform circular motion on the floor of a merry-go-round as the

ivolga24 [154]

Answer:

The acceleration of the wallet is $3\hat{i}+6\hat{j}$

Explanation:

Given that,

Radius of purse r= 2.30 m

Radius of wallet r'= 3.45 m

Acceleration of the purse $a=2\hat{i}+4.00\hat{j}$

We need to calculate the acceleration of the wallet

Using formula of acceleration

$a=r\omega^2$

Both the purse and wallet have same angular velocity

$\omega=\omega'$

$\sqrt{\dfrac{a}{r}}=\sqrt{\dfrac{a'}{r'}}$

$\dfrac{a}{r}=\dfrac{a'}{r'}$

$\dfrac{a'}{a}=\dfrac{r'}{r}$

$\dfrac{a'}{a}=\dfrac{3.45}{2.30}$

$\dfrac{a'}{a}=\dfrac{3}{2}$

$a'=\dfrac{3}{2}\times(2\hat{i}+4.00\hat{j})$

$a'=3\hat{i}+6\hat{j}$

Hence, The acceleration of the wallet is $3\hat{i}+6\hat{j}$

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An object's potential energy is set it cannot change is this true

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The energy achieved I think

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Provided following are four different ranges of stellar masses. Rank the stellar mass ranges based on how many stars in each ran

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Highest to lowest number:

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-between 1 and 10 solar masses

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<h3>What is Stellar masses ?</h3>

Stellar mass is a phrase that is used by astronomers to describe the mass of a star.

It is usually enumerated in terms of the Sun's mass as a proportion of a solar mass ( M ☉). Hence, the bright star Sirius has around 2.02 M ☉.

Stellar masses are not fixed, although they change for single stars only on long periods.

Learn more about Stellar masses here:

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The electromagnetic waves that have the lowest frequencies are called

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A. Radio waves
Have the lowest frequencies

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3. Magnitude of a physical quantity is the number of times a standard quantity is present in it.

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The number of times a standard quantity is present in the given physical quantity is called magnitude of a physical quantity

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