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german
3 years ago
10

Where would a new neuron come from

Physics
1 answer:
erica [24]3 years ago
7 0
Neurogenesis does not occur everywhere in the brain but is evident in the hippocampus and olfactory bulb and perhaps in the cerebral cortex. New neurons are born not from mature nerve cells but rather develop from neural stem cells that remain in our brains throughout life.
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PLEASE HELP ASAP 2. Two rocks with a mass of 5 kilograms and 10 kilograms, respectively, fall freely from rest near
MrMuchimi

Answer:

i Think momentum

Explanation:

4 0
3 years ago
Bob has a cup of hot chili. It is too hot to eat.
Kazeer [188]

Answer:

B.  It has increased the chili's potential energy

Explanation:

When there is an increase in the kinetic energy of a substance, the vibrations of atoms and molecules of the substance increases.

This kinetic energy increases the thermal energy of the substance.

So, when there is a decrease in the thermal energy of a substance, the kinetic energy decreases because the random motion of the molecules or atoms becomes feeble.

If the kinetic energy of the substance decreases, the potential energy of the substance increases.

So, if the chili has cooled after 10 minutes, it has increased the potential energy of the substance.

7 0
4 years ago
Read 2 more answers
To form a hydrogen atom, a proton is fixed at a point and an electron is brought from far away to a distance of 0.529 ✕ 10−10 m,
Elodia [21]
1) First of all, let's calculate the potential difference between the initial point (infinite) and the final point (d=0.529x10-10 m) of the electron.
This is given by:
\Delta V =- \int\limits^{d}_{\infty} {E} \, dr
Where E is the electric field generated by the proton, which is
E=k_e  \frac{q}{r^2} 
where k_e=8.99\cdot10^9~Nm^2C^{-2} is the Coulomb constant and q=1.6\cdot10^{-19}~C is the proton charge.
Replacing the electric field formula inside the integral, we obtain
\Delta V =- \int\limits^{d}_{\infty} {k_e  \frac{q}{r^2} } \, dr = k_e  \frac{q}{d}= 27~V

2) Then, we can calculate the work done by the electric field to move the electron (charge q_e=-1.6\cdot10^{-19}C) through this \Delta V. The work is given by
W=-q_e \Delta V = - (-1.6\cdot10^{-19}C) (27V)=4.35\cdot10^{-18}~J

5 0
3 years ago
Read 2 more answers
An object moves at constant speed along a circular path in a horizontal plane, with the center at the origin. When the object is
guapka [62]

Answer:

a)Counterclockwise

b)ω=2 rad/s

Explanation:

Given that

Object at = --2 m

r= - 2 m

Velocity pf object V = - 4 m/s

We know that

\vec{V}=\vec{\omega }\times \vec{r}

r= - 2 i m

V= - 4 j m/s

- 4 j= ω x (- 2 i)

ω  should be in counter clockwise (k) to satisfy the above equation.

It means that the direction of object will in counter clockwise.

4 = ω x 2

ω=2 rad/s

So object velocity at 2 m will be 2 rad/s.

6 0
3 years ago
Why is the percentage uncertainty in the electric field larger than the percentage uncertainty in the first row of voltages? Hin
Kryger [21]

Answer:

ΔE / E = ΔV / V + Δd / d

Explanation:

The electric field and voltage are related by the expression

      E = V / d

The uncertainty of the field is

       ΔE / E = ΔV / V + Δd / d

 

We see that the uncertainty of the field must be added the uncertainty of the distance that in the measure of the different potential has no effect.

The only case in which the uncertainties are equal is if the distance measurement has no uncertainty, or the separation of very high

4 0
3 years ago
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