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3 years ago

What material are you most likely to find in the D horizon

Physics

2 answers:

statuscvo [17]3 years ago

7 0

you're most likely to find Bedrock

elixir [45]3 years ago

6 0

Answer:

The soil is comprised of various layers which are commonly known as the horizons, of which D is also a part of it. The D horizon is not always found. But it sometimes occurs below the B or the C horizon.

The materials that are present in this horizon are not affected by the weathering process. They are comprised of unaffected, raw mineral matter and are very hard and resistant like the parent rock. This layer gives rise to the formation of a much more complex layers that are comprised of numerous mineral matter.

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(15pts) A hungry 12.0 kg fish is coasting from west to east at 75 cm/s when it suddenly swallows a 1 kg fish swimming towards it

faust18 [17]

Answer:

The speed of the big fish after swallowing the small fish is 0.38 m/s.

Explanation:

Consider west to east direction as positive and the opposite direction as negative.

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Mass of small fish (m₂) = 1 kg

Initial velocity of small fish (u₂) = -4 m/s (Direction is opposite to u₁)

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So, as there are no effects of drag or any other forces, the given scenario can be considered as a case of inelastic collision where the objects move together with same velocity after collision.

The momentum is conserved in inelastic collision. Therefore,

Initial momentum of the fishes = Final momentum of the fishes

$m_1u_1+m_2u_2=(m_1+m_2)v\\\\v=\dfrac{m_1u_1+m_2u_2}{m_1+m_2}$

Now, plug in the given values and solve for 'v'. This gives,

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Therefore, the speed of the big fish after swallowing the small fish is 0.38 m/s

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