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Irina-Kira [14]
3 years ago
5

What is a low pressure system?

Chemistry
1 answer:
KonstantinChe [14]3 years ago
5 0

A low pressure system has lower pressure at its center than the areas around it. Winds blow towards the low pressure, and the air rises in the atmosphere where they meet. As the air rises, the water vapor within it condenses, forming clouds and often precipitation.

<u>Explanation</u>:

  • Wind flow towards the low pressure and the air rises in the atmosphere. As the air increases, the water vapor within it solidifies, forming clouds and undergo precipitation. Low pressure formed in the center areas.
  • The atmospheric circulations of air up and down in a low-pressure area remove a small amount of atmosphere. This usually happens between warm and cold air masses by flowing air which tries to reduce the contrast of temperature.          
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3 years ago
The speed of a wave in the string is 16.2ms. The mass per unit length of the string is 0.3ms calculate tension in the string
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Answer:

The tension in the string is 78.73 N.

Explanation:

The tension in the string can be determined from the expression;

v = \sqrt{\frac{T}{m} }

where: v is the speed of the wave in the sting, T is the tension in the string and m is the mass per unit length of the sting.

Given that: v = 16.2 m/s, and m = 0.3 kg/m.

Then;

16.2 = \sqrt{\frac{T}{0.3} }

Square both sides to have,

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The tension in the string is 78.73 N.

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