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aev [14]
3 years ago
14

When air is heated, it will MOST likely

Physics
2 answers:
Alchen [17]3 years ago
6 0

Answer:

B

Explanation:

When air is heated, it expands and rises.

Sophie [7]3 years ago
3 0

Answer:

B

Explanation:

hot air is less dense than cold air, meaning its particles are farther apart. this causes it to expand and rise, since it is less dense. if you know about convection currents, you'll know that hot air rises and cold air falls.

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Help me. It's question 2 I need the answer for
Alex73 [517]
Ok, let me see if I can help

Sound is caused by vibrations. These can pass through a solid, liquid, and gas. But not through vacuum because there are no particles
6 0
3 years ago
What are four factors that can affect the amount of friction between two objects
umka2103 [35]
As the Force of friction is equal to F _{f} =µF_{n} by using the Law of Action Reaction; as the force normal is the conterforce of gravity

F _{f} =µF_{n}
F_{f}=µF_{n}

Therefore, by looking at the equation we can infer that

The force of friction is directly proportional to the mass, gravitational constant, and the co-efficent of friction

Because the gravitational constant is dependant on gravitation, a planet's mass and radius also affect the force of friction

But DO NOTE:
That the co-effecient of friction is only applicable between two rubbing surfaces and unaffected by gravitational constants. 

If you found this helpful, please rate it  as "Brainiest"
Also if this need further explaining, please comment below
7 0
4 years ago
If two sets of data are correlated, this means that:
lianna [129]
<h2>If two sets of data are correlated, this means that: one set causes the other to happen. </h2>

Explanation:

Correlation indicates a relationship between two or more variables, but this relationship does not suggest cause and effect. When two sets of data are correlated, it means that as one variable changes, the other variable also changes.

The correlation can be measured by calculating a statistic called as correlation coefficient. The number from -1 to +1 indicates the strength and direction of the relationship between variables. The correlation coefficient is denoted by the letter r.

5 0
4 years ago
Read 2 more answers
What would you expect to cause a drop in air pressure?
Murrr4er [49]

Answer:

D

Explanation:

6 0
3 years ago
Read 2 more answers
A force of 450 N accelerates a box across a frictionless surface at a rate of 15 m/s 2 . What is the mass of the box?
kow [346]
Used Mephyso for the calculation

8 0
4 years ago
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