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EastWind [94]
3 years ago
5

Which characterstics do venus and earth share

Physics
1 answer:
xxTIMURxx [149]3 years ago
5 0

Answer:

Earth and Venus has similar size, mass and density. Both have a very similar composition, But atmosphere of Venus is composed only of carbon dioxide is not similar to Earth.

Explanation:

my mind

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If distance between two charges increased 5 times then force between them
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decreased 5 times

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A fire engine is moving south at 35 m/s while blowing its siren at a frequency of 400 Hz.
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To solve this problem we will apply the concepts related to the Doppler effect. The Doppler effect is the change in the perceived frequency of any wave movement when the emitter, or focus of waves, and the receiver, or observer, move relative to each other. Mathematically it can be described as

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Here,

f_d=frequency received by detector

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Replacing we have that,

f_d = 400(\frac{(343+18)}{(343-35)})

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Therefore the frequencty that will hear the passengers is 422Hz

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As a solid element melts, the atoms become __________ and they have __________ attraction for one another. more separated, more
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The complete statement is 

As a solid element melts, the atoms become more separated and they have less attraction for one another. 

Let me explain to you how this happens. In solid phase. Its molecules are arranged in a very compact manner that is why it takes a definite shape and volume. When it is heated, the kinetic energy of the molecules increases. This is characterized by more frequent collisions. The rise in temperature causes the molecules to move rapidly by vibrating. When it reaches an amount of energy that causes the solid to change phase, this is called the latent energy. The molecules break their form and move farther away from each other until it resembles that of a liquid melting. At this point, the molecules would have lesser attraction because of the distance between them.
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