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Minchanka [31]
3 years ago
11

3 4 5 plz I really need it thanks

Physics
1 answer:
Kay [80]3 years ago
6 0
3. A chemical symbol designates an element that belongs to the periodic table. A chemical formula combines two or more symbols and it represents a chemical compound. 4.A mixture is made of two or more substances—elements, compounds, or both—that are together in the same place but are not chemically combined. Example: vegetable soup!Mixtures differ from compounds intwo ways: Each substance in a mixturekeeps its individual properties. 5.filtration, evaporation, distillation, chromatography
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A long, thin rod parallel to the y-axis is located at x = -1.0 cm and carries a uniform linear charge density of +1.0 nC/m. A se
Bad White [126]

Answer:

Hhere is the other part of the question ; What is the net electric field due to these rods at the origin? (epsilon not = 8.85*10^-12)

net electric field = 3600N/C

Explanation:

The detailed calculation is as shwon below

8 0
3 years ago
Unlike velocity, speed is scalar, which means it is described by only.
Andrew [12]

There are two qualities that can describe most variables - direction and magnitude. A vector possesses both a direction and magnitude, while a scalar possesses only a magnitude.

Hope this helps!

7 0
3 years ago
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If the water in a lake is everywhere at rest, what is the pressure as a function of distance from the surface? The air above the
Rudiy27

Answer:

Answer:

101325 + 10055.25h

//

h = 10.1 m

Explanation:

the pressure at sea level =  1 atm = 101325 Pa

density of sea water = 1025 kg/ m^(3)

pressure due to fluid height = pgh

Absolute pressure = 101325 + 1025*9.81*h

                               = 101325 + 10055.25h

where h= 0 at sea level at increases downwards

//

101325 = 1025* 9.81* h

h = 10.1 m

Explanation:

7 0
3 years ago
Which statement describes a chemical property related to the particles that make up the material
Stells [14]

Answer: The correct answer would be C.  Salt crystals are hard and brittle because they are made up of atoms that combine by ionic bonding.

Explanation: All the other ones are chemical changes because a new substance is formed.

7 0
3 years ago
in a collusion, a 15 kg object moving with a velocity of 3 m/s transfers all of its momentum to a 5 kg object. what would be the
Hunter-Best [27]
According to momentum conservation
15*3 = 45kgm/s
and the velocity of 5 kg mass will be
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3 years ago
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