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frozen [14]
3 years ago
11

What is hydrometer? Describe its use and any one type of hydrometer.​

Physics
1 answer:
nexus9112 [7]3 years ago
7 0

Answer:

An instrument for measuring the density of liquids.

Explanation:

A hydrometer is an instrument used to determine specific gravity. It operates based on the Archimedes principle that a solid body displaces its own weight within a liquid in which it floats. Hydrometers can be divided into two general classes: liquids heavier than water and liquids lighter than water.

Thermohydrometers is one type of hydrometer.

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Not a assignment question, just wanna know if scientists know what’s beyond the edge universe
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No they don’t. All the pictures we see if the universe are computer generated. Well, most of them are. We don’t exactly know how the milky way looks. It’s just very good guess.
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3 years ago
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Where should be the best fit line be drawn on a scatterplot?
eimsori [14]

A line of best fit is a straight line drawn through the most points on a scatter plot, with an equal number of points above and below the line. It is used to investigate the nature of the relationship between two variables. The correct option is d.

<h3>What is line of best fit?</h3>

A straight line with the best fit is one that minimizes the distance between it and some data.

In a scatter plot of varying data points, the line of best fit is used to express a relationship. It is a result of regression analysis and can be used to forecast indicators and price movements.

It is important to note that your line does not need to pass through any of the points on the plot; it only needs to bisect the area that contains the data points.

Thus, none of the options are correct, the correct one is d.

For more details regarding line of best fit, visit:

brainly.com/question/14279419

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8 0
1 year ago
Please help I'm stuck on these 2 problems would help so much!! 10 POINTS<br><br> Thanks!
bekas [8.4K]
Its C because the circuit is connected with battery and light bulb.

4 0
4 years ago
If 20 N force does 400 J<br> of work to move an<br> object, how far does the<br> object move?
Neporo4naja [7]

Answer:

20

Explanation:

W = F*d

400 = 20*d

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4 0
3 years ago
A ball of mass 0.10 kg moving at a speed of 3.0 m/s collides with a wall and bounces directly back with the same speed. If the b
alexdok [17]

The magnitude of the average force exerted on the ball by the wall is calculated below.

The average force exerted by the ball on the wall is 3 N

Explanation:

Given:

mass of the ball (m)=0.10 kg

speed (v) =3.0 m/s

time taken(t) =0.01 seconds

To calculate:

Average force(F) exerted by ball on the wall

We know;

F=(m×v)÷t

F=(0.10×3.0)÷0.01

<u><em>F=3 N</em></u>

Therefore the average force exerted by the ball on the wall is 3 N

8 0
4 years ago
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