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adell [148]
2 years ago
9

Abrief history of hand writing ​

Physics
1 answer:
Roman55 [17]2 years ago
5 0
Recognizable systems of writing developed in 3 major cultures within 1200 years of each other. Around 3000 BC Mesopotamian cuneiform (Sumerian, Akkadian, Elamite, and others) developed, Egyptian hieroglyphs around 2800 BC, and the precursor to Kanji Chinese around 1800 BC.
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7. In what ways has science harmed us?​
Mama L [17]

Answer: At several different levels, scientific awareness will enhance the quality of life, from the routine functioning of our daily lives to global issues. In energy, conservation, agriculture, health, transportation, communication, security, economics, recreation, and discovery, science informs public policy and personal decisions.

Explanation:

Hope This Helps! : )

3 0
2 years ago
A force of 8800 N is exerted on a piston that has an area of 0.010 m^2. What is the force exerted by a second piston that has an
professor190 [17]

Explanation:

It is given that,

Force on piston, F₁ = 8800 N

Area, A_1=0.01\ m^2

Area, A_2=0.04\ m^2

Let F₂ is the force exerted on the second piston. Using Pascal's law as :

Pressure at piston 1 = Pressure at piston 2

\dfrac{F_1}{A_1}=\dfrac{F_2}{A_2}

F_2=\dfrac{F_1}{A_1}\times A_2

F_2=\dfrac{8800}{0.01}\times 0.04

F_2=35200\ N

So, the force exerted by a second piston is 35200 N. Hence, this is the required solution.

8 0
3 years ago
Read 2 more answers
HELP QUICK WILL GIVE BRAINLEST!!!!
Romashka-Z-Leto [24]
Hello!

The statement that <span>describes the solar feature shooting off into space labeled C is An envelope of plasma surrounding the Sun. 

This is called the Solar Corona. It is the outmost layer of the Sun's atmosphere. The Corona is hotter than the visible surface of the Sun. (1 000 000 - 3 000 000 K). It is composed of Plasma (The fourth state of the matter, similar to the gaseous state, but with electrically charged particles). All structural details of the Solar Corona are derived from the Magnetic Field of the Sun. 

Have a nice day!</span>
3 0
3 years ago
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Please help on these questions!!!
tatiyna

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8 0
3 years ago
Sam lifted his backpack with 5 Newtons of force a total of 400
irga5000 [103]

2000joules

Explanation:

work done=force×meters

4 0
3 years ago
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