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3 years ago

4. True or false: Ionic Compounds do not form molecules.

Physics

2 answers:

Verizon [17]3 years ago

7 0

Answer:

true

Explanation:

ionic compounds do not form molecules

Olegator [25]3 years ago

5 0

The answer is true!!

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A U-shaped tube open to the air at both ends contains water. A quantity of oil of unknown density is slowly poured into the righ

nadezda [96]

Answer:

$\rho_o=600\ kg.m^{-3}$ is the density of the oil

Explanation:

Given:

height of oil column, $h_o=20\ cm$

oil column height that is more than the water column height in the other arm, $\delta h=8\ cm$

Now from the given it is clear that the height of water column is:

$h_w=h_o-\delta h$

$h_w=20-8$

$h_w=12\ cm$

Now according to the pressure balance condition of fluid columns:

Pressure due to water column = Pressure due to oil column

$P_w=P_o$

$\rho_w.g.h_w=\rho_o.g.h_o$

$1000\times 9.8\times 0.12=\rho_o\times 9.8\times 0.2$

$\rho_o=600\ kg.m^{-3}$ is the density of the oil

8 0

4 years ago

Read 2 more answers

What does a tree do to maintain homeostasis during the winter months?

grin007 [14]

Answer:

During dormancy, a tree's metabolism, energy consumption, and growth all slow down significantly in order to endure the harsh season of winter when water and sunlight are more scarce.

Explanation:

hope it helps

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3 years ago

A cyclist traveling at 30.0m/s along a straight road comes uniformly to stop in 5.00s. Determine the stopping acceleration, the

Amiraneli [1.4K]

Answer:

I. Stopping acceleration = 6 m/s²

II. Stopping distance, S = 75 meters

Explanation:

Given the following data;

Final velocity = 30 m/s

Time = 5 seconds

To find the stopping acceleration;

Mathematically, acceleration is given by the equation;

$Acceleration (a) = \frac{final \; velocity - initial \; velocity}{time}$

Substituting into the equation;

$a = \frac{30 - 0}{5}$

$a = \frac{30}{5}$

Acceleration = 6 m/s²

II. To find the stopping distance, we would use the third equation of motion;

$V^{2} = U^{2} + 2aS$

Where;

V represents the final velocity measured in meter per seconds.

U represents the initial velocity measured in meter per seconds.

a represents acceleration measured in meters per seconds square.

Substituting into the equation, we have;

30² = 0² + 2*6*S

900 = 12S

S = 900/12

S = 75 meters

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3 years ago

Animals exhale _____. oxygen glucose carbon carbon dioxide

blondinia [14]

Answer:

carbon dioxide

Explanation:

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3 years ago

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Energy Transformation and Conservation Explain how different forms of energy are related.

SVETLANKA909090 [29]

Answer:

Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.

Explanation:

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3 years ago