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pav-90 [236]
3 years ago
13

Plz Help!!

Physics
1 answer:
lubasha [3.4K]3 years ago
3 0

Answer:

The water releases energy which causes the water molecules to have less kinetic and potential energy, changing their configuration from liquid to solid.

Explanation:

The conversion of water to ice is a phase change from liquid to solid. There is no chemical action taking place in this process just the state of matter taking up a new form.

  • This phase change is called freezing.
  • In freezing, the liquid water loses energy to the surroundings.
  • By so doing, the water molecules have lesser energy
  • The then take up fixed position within the lattice.
  • This changes the state to solid with a well - ordered arrangement.
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A 1.0 meter long rod is held horizontally in the east-west direction on a distant planet and is dropped from a height of 1.23 m.
enyata [817]

Answer:

The induced emf between two end is 34.02 \times 10^{-5} V

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  \epsilon = Blv

Where v = velocity of rod,

For finding the velocity of rod.

From kinematics equation,

 v^{2} = v_{o} ^{2} + 2gh

Where v_{o} = initial velocity, g = 9.8 \frac{m}{s^{2} }

   v = \sqrt{2gh}

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   v = 4.91 \frac{m}{s}

Put the velocity in above equation,

   \epsilon = 6.93 \times 10^{-5} \times 1 \times 4.91

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Therefore, the induced emf between two end is 34.02 \times 10^{-5} V

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