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Agata [3.3K]
3 years ago
13

Pls hipelp major test so don’t guess

SAT
2 answers:
Andreyy893 years ago
5 0

Answer:

where are the answer choices?

dusya [7]3 years ago
5 0
Where are the choices?
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The surface tension of water in air is approximately 0.00518 lbf/ft. if the atmospheric pressure is 14.7psia, what is the pressu
strojnjashka [21]

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

8 0
2 years ago
The way scientists know that a hypothesis in astronomy is a reasonable description of nature is to
SVETLANKA909090 [29]

The way scientists know that a hypothesis in astronomy is a reasonable description of nature is to do experiments and observations about the prediction of the hypothesis.

Given an incomplete sentence related to hypothesis and astronomy.

We are required to complete the sentence.

A hypothesis is basically a testable statement about the relationship between two or more variables or a proposed explanation for some observed phenomenon.

Astronomy is basically the study of everything in the universe beyond Earth's atmosphere.

The statement can be completed by "do experiments and observations about the prediction of the hypothesis".

Hence the way scientists know that a hypothesis in astronomy is a reasonable description of nature is to do experiments and observations about the prediction of the hypothesis.

Learn more about hypothesis at brainly.com/question/11555274

#SPJ4

4 0
2 years ago
Discuss three consequences of the social issue on,the individual and the community<br>​
dalvyx [7]

Answer:

<h2>hope my answer helps mark me brainliest </h2>

Explanation:

<h2>One consequence of the social problem on the individual is Poverty. Explanation: Social problems are those problems faced by the society as a whole due to various factors like unemployment, political instability, economic problems, social status, inequality, religion, caste, race, social disorganisation, and many more. Additionally, inadequate or unsanitary living conditions can contribute to the spread of disease, which adds to health care costs, prevents individuals from working and threatens the well-being of community members</h2>
8 0
2 years ago
If an atom has 17 protons, 16 neutrons, and 21 electrons, what is the atom's electrical charge? A. -1 B. -4 C. +5 D. +4
a_sh-v [17]
The answer is -4 while the element is chlorine
5 0
4 years ago
If an angle of a parallelogram is two-third of its adjacent angle, the smallest angle of the parallelogram is.
Harrizon [31]

If an angle of a parallelogram is two-third of its adjacent angle, then the smallest angle of the parallelogram is 72°. Adjacent angles exhibit a common side and a corner point.

Adjacent angles exhibit a common side and a corner point, although they do not overlap.

A parallelogram can be defined as a simple type of quadrilateral having two pairs of parallel sides.

A rectangle can in turn be defined as a parallelogram having four right angles (90°), thereby all rectangles represent quadrilaterals.

The sum of the adjacent angles of a parallelogram is equal to 180°.

In this case, we have  that the sum of adjacent angles >> X + 2/3 X = 180° >> X = 108° >> 2/3 X = 72°

Learn more about parallelograms here:

brainly.com/question/1563728

5 0
3 years ago
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