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3 years ago

Please help on this one?

Physics

1 answer:

Novosadov [1.4K]3 years ago

3 0

the answer is the first one because neutrons and protons are in the middle of an atom. plz give me brainliest

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The electric field strength E₀ is measured at a perpendicular distance R from an infinitely large, thin sheet that contains a un

Troyanec [42]

Answer:

Explanation:

E=(σ/ε0)

As noted by Dirac the field is the same no matter how far you are from the sheet. When your charge covers a conducting plane, as in your case, the field is, D/eo ,(D is charge density). Because the field inside the conductor (no matter how thin) is zero. The only time the field is, D/2eo, is when you have just a sheet of charge, by itself, not on a conducting plane."

5 0

4 years ago

In this case, lithium would be classified as a(n)<br><br>A)atom.B)compound.C)ion.D)molecule.

marissa [1.9K]

The answer would be a compound because they are anti-manic metals which are created by two or more elements

3 0

4 years ago

PLEASE HELP

Elan Coil [88]

Answer:

Explanation:

$a_{x}=0$ $v_{xo}= v_{o}cos(delta)t$ $a_{y}=-g$ $v_{yo}=sin$ θ

X-direction | Y-direction

$x=x_o+v_{xo}t$ ⇒ $x=v_{xo}cos(delta)t$ |

5 0

3 years ago

5. A student is investigating the relationship between pressure,

sergey [27]

Answer:

The <u>water vapor</u> will have the greatest entropy at the triple point

Explanation:

At the triple point of water, which has the properties of 0.0075°C temperature and 6.11657 mbar pressure, solid ice, liquid water and water vapor exist together in a location

According to Professor Stephen Lower on LibreTexts website entropy is a measure the extent to which thermal energy is shared and spread in a system

The change in entropy, ΔS = ΔH/T

The heat change in $\Delta H_{melting}$ = 6.01 kJ/mol

The heat change in vaporization, $\Delta H_{vaporization}$ = 45.05 kJ/mol

The heat change in sublimation, $\Delta H_{sublimation}$ = 51.06 kJ/mol

Therefore, the entropy of the water vapor $S_{water \ vapor}}$ > The entropy of liquid water, $S_{Liquid \ water}$ > The entropy of the solid ice, $S_{Solid \, ice}$

The portion with the highest entropy at the triple point is the water vapor

The water vapor will have the greatest entropy at the triple point

4 0

3 years ago

What type of equilibrium maintains body position during sudden motion?

Juli2301 [7.4K]

the correct answer is dynamic

6 0

2 years ago

Read 2 more answers