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Vsevolod [243]
3 years ago
7

The rotational speed of earth is similar to?​

Physics
1 answer:
m_a_m_a [10]3 years ago
8 0
Actually, the speed of the earth is the same everywhere, taking the angular speed as the valid measure of the speed
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Screws and wedges are modified blank
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This is what I know 
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3 years ago
A fish scale, consisting of a spring with spring constant k=200N/m, is hung vertically from the ceiling. A 2.6 kg fish is attach
Olegator [25]

Answer:

Explanation:

The fish is initially at rest and it is also at rest when the spring is fully stretched at the maximum distance.

Change in gravity potential energy = change in spring potential energy

mgh = 1/2kh^2

Assume gravity constant g is 10m/s^2

2.6*10*h = 1/2*200*h^2

100h^2 - 26h = 0

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So the maximum distance is 0.65m.

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2 years ago
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Answer:

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Explanation:

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2 years ago
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A molecular cloud fragments as it collapses because Choose one: A. the interstellar wind is stronger in some places than others.
kondaur [170]

The cause for a molecular cloud forming fragments when it collapses is indicated correctly by option D. density variations from place to place grow larger as the cloud collapses.

Molecular cloud:

A molecular cloud, also known as a stellar nursery, is a specific kind of interstellar cloud, whose density and size allow the development of molecules, absorption nebulae, and H II regions. In contrast, some regions of the interstellar medium mostly consist of ionized gas.

Molecular clouds are cold, dense areas of space where stars form. The cloud collapses into a proto-star when the gravitational force pulling it in outweighs the internal pressure pushing it in.

When a molecular cloud collapses, it is observed that the density varies from place to place with the variation increasing with collapse. As a result, the collapse is characterized by fragmentation of the cloud.

Thus the correct option is: D. density variations from place to place grow larger as the cloud collapses.

Learn more about molecular clouds,

brainly.com/question/3459894

#SPJ4

6 0
1 year ago
the declaration of Independence discusses the protection of natural rights. These rights include the right life liberty and the
nikdorinn [45]

Answer:

i can't understand ur question

4 0
3 years ago
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