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3 years ago

Unweathered rock that underlies soil is subsoil. True False

2 answers:

kondor19780726 [428]3 years ago

8 0

This is false; rock that lies under soil is not known as subsoil, it is known as bedrock; a solid underlying loose deposits, such as soil.

Maru [420]3 years ago

5 0

False.

Unweathered rock that underlies soul is known as bedrock.

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3 years ago

What type of waves move energy forward, but the source makes up and down

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3 years ago

Do you think most people follow the recommended guidelines for an adequate exercise routine?

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3 years ago

An unstable atomic nucleus has a mass of 17.010-27kg, and starts out at rest. When it decays, it the original nucleus disintegra

slega [8]

Answer:

Part a)

$v = -(8.33\hat j + 9.33\hat i)\times 10^6 m/s$

Part b)

$E = 4.4 \times 10^{-13} J$

Explanation:

As per momentum conservation we know that there is no external force on this system so initial and final momentum must be same

So we will have

$m_1v_1 + m_2v_2 + m_3v_3 = 0$

$(5 \times 10^{-27})(6 \times 10^6\hat j) + (8.4 \times 10^{-27})(4 \times 10^6\hat i) + (3.6 \times 10^{-27}) v = 0$

$(30\hat j + 33.6\hat i)\times 10^6 + 3.6 v = 0$

$v = -(8.33\hat j + 9.33\hat i)\times 10^6 m/s$

Part b)

By equation of kinetic energy we have

$E = \frac{1}{2}m_1v_1^2 + \frac{1}{2}m_2v_2^2 + \frac{1}{2}m_3v_3^2$

$E = \frac{1}{2}(5 \times 10^{-27})(6\times 10^6)^2 + \frac{1}{2}(8.4 \times 10^{-27})(4 \times 10^6)^2 + \frac{1}{2}(3.6 \times 10^{-27})(8.33^2 + 9.33^2) \times 10^{12}$

$E = 9\times 10^{-14} + 6.72 \times 10^{-14} + 2.82\times 10^{-13}$

$E = 4.4 \times 10^{-13} J$

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3 years ago

The force produced by gravity on a mass is called

Yakvenalex [24]

Answer:

gravitational force

weight

Explanation:

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3 years ago