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ladessa [460]
3 years ago
13

The diagra shows molecules in a fluid. Explain the

Physics
1 answer:
ankoles [38]3 years ago
7 0

Answer:

Check below for the answers and explanations.

Explanation:

Note: You did not provide the diagram you mentioned but I will explain to you the sequence of events that take place as a fluid cools. I believe you can apply this to the particular diagram that you have.

Sequence of events that take place as a fluid cools down:

  • There is a reduction in the temperature of the fluid
  • The speed of movement of the molecules will reduce
  • Since there is a reduction in speed, the Kinetic Energy also reduces. KE = 1/2 mv²
  • The density of the fluid will increase as the temperature decreases
  • The molecules will be closer to each other as opposed to in a gas where there is collision of molecules

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A satellite, orbiting the earth at the equator at an altitude of 400 km, has an antenna that can be modeled as a 1.76-m-long rod
ivann1987 [24]

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The inducerd emf is 1.08 V

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As per the question:

Altitude of the satellite, H = 400 km

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When a conducting rod moves in a uniform magnetic field linearly with velocity, v, then the potential difference due to its motion is given by:

e = - l(vec{v}\times \vec{B})

Here, velocity v is perpendicular to the rod

Thus

e = lvB           (1)

For the orbital velocity of the satellite at an altitude, H:

v = \sqrt{\frac{Gm_{E}}{R_{E}} + H}

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v = \sqrt{\frac{6.67\times 10^{- 11}\times 5.972\times 10^{24}}{6371\times 1000 + 400\times 1000} = 7670.018\ m/s

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