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JulsSmile [24]
3 years ago
15

Give one advantage and one disadvantage of physical models

Physics
1 answer:
MAXImum [283]3 years ago
3 0

<u>Answer:</u>

<em>Advantage  of physical model :  </em>

  • Easily understandable.
  • Finding circumstances and end results utilizing model discernibly.  
  • Improving framework understanding through a visual examination.  
  • Finding mistakes prior and lessening framework surrenders.

<em>Disadvantage of physical model :  </em>

  • Time consuming to make.
  • It takes more time to make any physical model.
  • We should be revamped whenever decimated.
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You have 0.5 l of air at a pressure of 203 kpa and -70°c in a rigid, sealed contaainer. what is the absolute tempertaure of the
ANTONII [103]
From the information given and if the question is complete then;
Absolute temperature is the temperature in Kelvin
To convert degree Celsius to kelvin we normally add 273
that is Kelvin = deg Celsius + 273
Thus since we have been given that the air was at -70 degrees celcius;
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2 years ago
If each of the charges is increased by two times and the distance between them is also increased by two times, the electromagnet
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Answer: The force does not change.

Explanation:

The force between two charges q₁ and q₂ is:

F = k*(q₁*q₂)/r^2

where:

k is a constant.

r is the distance between the charges.

Now, if we increase the charge of each particle two times, then the new charges will be: 2*q₁ and 2*q₂.

If we also increase the distance between the charges two times, the new distance will be 2*r

Then the new force between them is:

F = k*(2*q₁*2*q₂)/(2*r)^2 = k*(4*q₁*q₂)/(4*r^2) = (4/4)*k*(q₁*q₂)/r^2 = k*(q₁*q₂)/r^2

This is exactly the same as we had at the beginning, then we can conclude that if we increase each of the charges two times and the distance between the charges two times, the force between the charges does not change.

8 0
3 years ago
Becky has a younger sister. If the sister was half Becky's age when Becky was 6, and Becky is now 70, how old is Becky's sister?
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Answer:

67

Explanation:

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