3 years ago

How do astronomers use rocks from the moon to estimate the age of the solar system?

Physics

1 answer:

Firlakuza [10]3 years ago

6 0

Answer:

Might be better to use geophysicists to date the moon rock via Radioactive Age-Dating Carbon 12

Explanation:

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Steel is made of atoms of iron and carbon. Would iron and carbon form metallic bonds? Explain your answer choice.

Hatshy [7]

Sample Response: "No, steel and carbon would not form metallic bonds because metallic bonds only form between metals. Iron is a metal, but carbon is not."

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2 years ago

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Tasya [4]

A it’s not that hard tbh

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2 years ago

A sound wave of 70 cm travels 840 m in 2.5 sec. What is the velocity and frequency of sound?

Darya [45]

-- Speed = (distance) / (time to cover the distance) = 840/2.5 = 336 m/s

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2 years ago

A proton of mass m is at rest when it is suddenly struck head-on by an alpha particle (which consistsof 2 protons and 2 neutrons

antiseptic1488 [7]

Answer:

3/5 v

Explanation:

The computation of speed will the alpha particle have after the collision is shown below:-

In a perfectly elastic the kinetic energy and collision the momentum are considered.

The velocity of the particles defines the below equation:

$VA_f=(\frac{m_A-m_B}{m_A+m_B})VA_i+(\frac{2m_B}{m_A+m_B})VB_i$

As we know that

$VA_i=v$

$\\VB_i=0$

Here, we consider A is the alpha particle and B is the proton and now by the above values we can solve the equation which is below:-

$VA_f=(\frac{4m-m}{4m+m})v$

$\\VA_f=\frac{3m}{5m}v$

$\\VA_f=\frac{3}{5}v$

Therefore the correct answer is $\frac{3}{5}v$

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3 years ago

Can I get some help? I REALLY need it!

IceJOKER [234]

B. Because they are used to see through objects

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3 years ago