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guajiro [1.7K]
3 years ago
14

What are the three stages of matter and how?​

Physics
1 answer:
n200080 [17]3 years ago
7 0

Answer:

Solid, Liquid and Gas

Explanation:

They are the 3 states or stages of Matter

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A shallow groove on the surface of the cortex is called a ________.
Juli2301 [7.4K]

Answer:

sulcus

Explanation:

A sulcus is an indentation or depression in the brain that causes it to look like it  ridges or folds

Cerebral sulci and fissures are grooves between the adjacent gyri on the surface of the cerebral hemispheres.

Sulci can be basically can be divided into three basic function

limiting sulcus: This happens to  develop between areas differing in structure and function, for example central sulcus

axial sulcus: This develops along the axis of a rapidly growing/developing area (e.g. calcarine sulcus)

operculated sulcus: a sulcus may be between two structurally-different areas and a third sulcus may lie in its wall and does not appear on the surface (e.g. lunate sulcus)

3 0
3 years ago
Can someone please help me ​
Tamiku [17]

<em>F</em> = 153 N

\theta = 11.3°

Explanation:

Let us define first our directional convention. Anything pointing up or to the right is considered positive and anything pointing down or to the left is considered negative. Now let's look at the components F_{x} and F_{y}:

F_{x} = 350 N - 200 N = 150 N

F_{y} = 180 N - 150 N = 30 N

The magnitude of the resultant force <em>F</em> is given by

F = \sqrt{F_{x}^{2}+F_{y}^{2}}

\:\:\:\:\:\:= \sqrt{(150\:N)^{2}+(30\:N)^{2}}

\:\:\:\:\:\:=153\:N

To find the direction \theta, we use

\tan \theta = \dfrac{F_{y}}{F_{x}}=\dfrac{30\:N}{150\:N}=0.2

or

\theta = \tan^{-1}(0.2) = 11.3°

4 0
3 years ago
What time that take if wavelength 1/10^8 and 3*10^8 m/s?
asambeis [7]

Answer:3.33x10^(-17)

Explanation:

Period=wavelength ➗ velocity

Period=1/10^8 ➗ (3x10^8)

Period=3.33x10^(-17)

5 0
3 years ago
You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock passes you on its way down,
Agata [3.3K]

Answer:

Explanation:

for vertical movement , time to reach the top = time to reach the hand = 2.5 s

v = u - gt

At the top , v = 0 , time t = 2.5 s

0 = u - g x 2.5

u = 2.5 x 9.8 = 24.5 m /s

velocity of throw = 24.5 m /s

So , when it passes the hand on its way down , it will have velocity equal to 24.5 m /s and it will accelerate downwards . Let its velocity down by 22 m be v

v² = u² + 2 g s

= 24.5² + 2 x 9.8 x 22

= 600.25 + 431.2

= 1031.45

v = 32.11 m /s .

7 0
3 years ago
a certain machine changes a large input force into a smaller output force. how will the machine affect the distance over which t
nasty-shy [4]
For the answer to the question above, if your question is a lever with a pivot and which sounds more likely ...then I would say from the principle of moments: F1*d1=F2*d2 

<span>given F1=high and F2=low ---> d1 must be low and d2 high for the equations to be balanced. </span>

<span>So the answer is simply: Inversely</span>
4 0
3 years ago
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