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4 years ago

Which most likely appear in the central nervous system only?

Physics

2 answers:

BabaBlast [244]4 years ago

8 0

Answer:

Interneurons

Explanation:

dalvyx [7]4 years ago

3 0

Answer:

b interneurons

Explanation:

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What is a fluid ability to excert an upward force on an object

vesna_86 [32]

That termed as buoyant force which acts normal to the mg force

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3 years ago

What is the maximum wavelength of light capable of removing an electron from a hydrogen atom in the energy states characterized

Reil [10]

To solve this problem we will apply the Rydberg formula is used in atomic physics to describe the wavelengths of the spectral lines of many chemical elements.

This equation is given in its general form as,

$\Delta E = -R_H (\frac{1}{n_1^2}-\frac{1}{n_2^2})$

Here,

$R_H$ = Rydberg constant for Hydroge is approximately $2.178*10^{18} J$

$n_1$ = Principal quantum number of an energy level

$n_2$ = Principal quantum number of an energy level for the atomic electron transition

PART A ) For n=1 we have that

$\Delta E = -R_H* \frac{1}{n^2}$

$\Delta E = -2.178*10^{-18}*\frac{1}{1^2}$

$\Delta E = -2.178*10^{-18}J$

Now calculating the wavelength using following equation

$\lambda = \frac{hc}{\Delta E}$

Here

h = Planck's constant

c = Speed of light

$\lambda = \frac{(6.626*10^{-24})(2.9979*10^8)}{2.178*10^{-18}}$

$\lambda = 9.120*10^{-8}m = 91.2nm$

PART B) For n = 3 we have that

$\Delta E = -R_H *\frac{1}{n^2}$

$\Delta E = -2.178*10^{-18}*\frac{1}{3^2}$

$\Delta E = -2.42*10^{-19}J$

Now calculating the wavelength using following equation

$\lambda = \frac{hc}{\Delta E}$

$\lambda = \frac{(6.626*10^{-24})(2.9979*10^8)}{2.42*10^{-19}}$

$\lambda = 8.208*10^{-7}m = 820.8nm$

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4 years ago

) to keep a door closed, a wooden stick is wedged between the floor and the doorknob. the stick exerts at b a 175 n force direct

zhenek [66]

The 175 N force is in the path A to B since a stick can’t pull the doorknob, this can be written as:

(F ) ⃗= 175⋅(73i ⃗+990 j ⃗+494 k ⃗)/(√73² +990²+ 494² )
(F ) ⃗=(11.5i ⃗+156 j ⃗+78.0k ⃗ )N

The displacement form C to B is:
(r ⃗ )_(B/C)=(683 i ⃗+860 j ⃗+0k ⃗ )mm

The formula for the moment about C is
M ⃗_c= (r ⃗ )_(B/C) x (F ) ⃗
M ⃗_c= (683 i ⃗+860 j ⃗ ) x (683 i ⃗+860 j ⃗+0k ⃗ )mm.N
M ⃗_c= (67.1 i ⃗+53.3 j ⃗+116 k ⃗ )m.N

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3 years ago

Which kind of energy is found in an atom's nucleus? (A) Nuclear (B) Elastic (C) Thermal (D) Electromagnetic

Firdavs [7]

Answer:

The answer is option A.

<h3>Nuclear</h3>

Hope this helps you

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3 years ago

Which theory (or theories) of dreaming do you believe is the best explanation for why we dream

Semmy [17]

Answer:that your subconscious is trying to tell you something

Explanation:

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3 years ago