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bonufazy [111]
2 years ago
10

The surface tension of water in air is approximately 0.00518 lbf/ft. if the atmospheric pressure is 14.7psia, what is the pressu

re inside a droplet 0.01" in diameter?
SAT
1 answer:
strojnjashka [21]2 years ago
8 0

Based on the calculations, the pressure inside this droplet is equal to 2,909.35 kPa.

<u>Given the following data:</u>

  • Surface tension = 0.00518 lbf/ft to N/m = 0.00702 N/m.
  • Atmospheric pressure = 14.7psia to kPa = 101.35 kPa.
  • Diameter = 0.01 mm to m = 0.00001 m.

Radius, r = \frac{diamter}{2} =\frac{0.0001}{2} = 0.000005 m.

<h3>How to determine the pressure inside a droplet.</h3>

For a droplet with only one surface, its pressure is given by this formula:

P_1-P_2=\frac{2 \tau}{r} \\\\P_1=\frac{2 \tau}{r}+P_2

Substituting the given parameters into the formula, we have;

P_1=\frac{2 \times 0.00702}{0.000005} + 101.35\\\\P_1=2808+ 101.35

Inside pressure = 2,909.35 kPa.

Read more on pressure here: brainly.com/question/24827501

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Answer:

The pressure exerted on the table due to the book is 200 N/m².

Explanation:

The pressure exerted on the table due to the book is 200 N/m².

The given parameters;

mass of the book, m = 400 g = 0.4 kg

dimension of the table,  = 0.10m x 0.20 m.

gravitational field strength g =  10 N/kg.

The area of the table is calculated as follows;

A = 0.1 x 0.2 = 0.02 m²

The pressure exerted on the table due to the book is calculated as follows; where;

F is the force of the book due to its weight

Thus, the pressure exerted on the table due to the book is 200 N/m².

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This excerpt most clearly conveys Lady Bracknell’s belief that makes someone more desirable.
Ugo [173]

This excerpt most clearly conveys Lady Bracknell’s belief that wealth makes someone more desirable.

  • From the story "The importance of being Earnest",. a conversation bean between Mr. Worthing and Lady Bracknell's about Miss Cardew as to if she had little fortune or not.

  • When the response came that Miss Cardew had about hundred and thirty thousand pounds in the funds and not not as little as she had taught. This alone spike the interest of Lady Bracknell as she later regard Miss Cardew as the most attractive young lady.

Conclusively we cay say that this excerpt most clearly conveys Lady Bracknell’s belief that wealth makes someone more desirable.

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Why might people choose to rent a home rather than buy a home? They have a lot of money saved for a down payment. They may be re
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A 5 n force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. the time for the collision is _____ seconds.
Veseljchak [2.6K]

The time for the collision is 3.6S.

<h3>What is collision?</h3>

The collision is an encounter between particles resulting in exchange or transformation of energy.

According to the question,

Force,

F = 5 N

Mass,

m = 3 kg

Velocity,

v₁ = 9 m/s and v₂ = 3 m/s

As we know,

F=m*(v/t)

so,

5=3*(9-3/t)

T=3*6/5

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hence, the time for the collision is

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