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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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The amount of radiant power produced by the sun is approximately 3.9 ✕ 1026 W. Assuming the sun to be a perfect blackbody sphere
fredd [130]

Answer:

T=5797.8  K

Explanation:

Given that

Power P = 3.9 x 10²⁶ W

Radius ,r= 6.96 x 10⁸ m

We know that ,From Plank's law

P = σ A T⁴

σ = 5.67 x 10 ⁻⁸

A= Area ,T= Temperature ( in Kelvin)

T=\left (\dfrac{P}{\sigma A} \right )^{\dfrac{1}{4}}

Now by putting the values

T=\left (\dfrac{P}{\sigma A}\right )^{\dfrac{1}{4}}

T=\left (\dfrac{3.9\times 10^{26}}{5.67\times 10^{-8}\times 4\times \pi \times (6.96\times 10^8)^2} \right )^{\dfrac{1}{4}}

T=5797.8  K

The temperature of surface will be 5797.8 K

4 0
3 years ago
a flywheel completes 42.3 rev as it slows from an angular speed of 1.44 rad/s to a complete stop. Assuming uniform acceleration,
ivanzaharov [21]

Answer:

t = 6.15 minutes

α = - 3.9 x 10^-3 rad/s^2

Explanation:

n = 42.3 rev

angle turns in one revolution = 2 π radians

Angle turns in 42.3 rev = 2 x 3.14 x 42.3 = 265.644 rad

ωo = 1.44 rad/s, ω = 0

Let t be the time taken to stop and the angular acceleration is α.

Use third equation of motion for rotational motion

ω^2 = ωo^2 + 2 α θ

0 = 1.44 x 1.44 + 2 α x 265.644

α = - 3.9 x 10^-3 rad/s^2

Use first equation of motion for rotational motion

ω = ωo + α t

0 = 1.44 - 3.9 x 10^-3 x t

t = 368.95 second = 6.15 minutes

7 0
4 years ago
The energy of a certain charged capacitor is 7 J. What is the new energy stored in that capacitor if its charge is decreased to
poizon [28]

Answer:

The new energy is 1/16 of the original energy

Explanation:

A capacitor is an electric device which is able to store charge when it is connected to a power supply.

The energy stored in a capacitor is given by the equation

E=\frac{Q}{2C}

where:

Q is the charge stored on the capacitor

C is the capacitance of the capacitor

For the capacitor in this problem, initially we have

E = 7 J (energy) when the charge stored is Q and the capacitance is C

Later, the charge is decreased to 1/4 of its original value, so the new charge is

Q'=\frac{1}{4}Q

Since the capacitance remains the same, the new energy is

E'=\frac{(\frac{1}{4}Q)^2}{2C}=\frac{1}{16}\frac{Q^2}{2C}=\frac{1}{16}E

Therefore, the new energy is 1/16 of the original energy.

6 0
3 years ago
How does the shape of an plane wing help it to lift off the ground and fly
Licemer1 [7]
<span>a planes engines are designed to move it forward at high speed. That makes air flow rapidly over the </span>wings<span>, which throw the air down toward the </span>ground<span>, generating an upward force called </span>lift<span> that overcomes the </span>plane's<span> weight and holds it in the sky. ... The </span>wings<span> force the air downward and that pushes the </span>plane<span> upward</span>
8 0
3 years ago
suppose the state machine shown below is in state c and receives the string 100010. what is its ending state?
Sholpan [36]

B is its ending state for the state machine shown below is in state c and receives the string 100010.

<h3>A state machine is difficult to explain.</h3>

A state machine reads a set of inputs and switches states in response to those inputs. A system is said to be in a state when it is waiting to make a transition. A transition is a sequence of steps to carry out when a condition is met or an event is received.

State machines are a type of programming architecture that enable dynamic flow between states based on values from earlier states or user inputs. Applications that can be categorized as a combination of the following fit well with this architecture: States. When to relocate to a specific state, using decision-making logic.

To know more about state machine visit:

brainly.com/question/22967402

#SPJ4

5 0
1 year ago
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