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2 years ago

The conduction velocity of an axon is determined by:

Physics

1 answer:

Marina86 [1]2 years ago

4 0

The conduction velocity of an axon is determined by myelin sheath

thickness and internode distance.

Axon are structures in the neuron which is involved in the conduction of

impulses away from the cell body. Axons which have myelin sheath conduct

impulses faster than those without it.

Axons which have thicker myelin sheath and longer internode distance will

increase the conduction velocity of an axon and vice versa.

Read more on brainly.com/question/23488967

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Some planetary scientists have suggested that the planet Mars has an electric field somewhat similar to that of the earth, produ

aalyn [17]

Answer:

324795 C

252.637820565 N/C

$2.235844712\times 10^{-9}\ C/m^2$

Explanation:

$\epsilon_0$ = Permittivity of free space = $8.85\times 10^{-12}\ F/m$

R = Radius of Mars = $3.4\times 10^6\ m$

A = Area = $4\pi R^2$

$\phi$ = Electric flux = $3.67\times 10^{16}\ Nm^2/C$

Electric flux is given by

$\phi=\dfrac{q}{\epsilon_0}\\\Rightarrow q=\phi\epsilon_0\\\Rightarrow q=3.67\times 10^{16}\times 8.85\times 10^{-12}\\\Rightarrow q=324795\ C$

The charge is 324795 C

Electric field is given by

$E=\dfrac{\phi}{A}\\\Rightarrow E=\dfrac{3.67\times 10^{16}}{4\pi (3.4\times 10^6)^2}\\\Rightarrow E=252.637820565\ N/C$

The electric field is 252.637820565 N/C

Surface charge density is given by

$\sigma=\dfrac{q}{4\pi R^2}\\\Rightarrow \sigma=\dfrac{324795}{4\pi (3.4\times 10^6)^2}\\\Rightarrow \sigma=2.235844712\times 10^{-9}\ C/m^2$

The surface charge density is $2.235844712\times 10^{-9}\ C/m^2$

6 0

3 years ago

Lesson 1, What is Physical Science.

Mrac [35]

Physical science explains the physical world and not supernatural events and an idea is considered true by science if it can be observed, explained and reproduced by others.

<h3>What is physical science?</h3>

Physical science is a systematic study of the of the physical world and phenomena based on observation and experiments.

The scientific method involves:

observation and questions
hypothesis
experiments
results and further experiments
theories and laws

Science explains the physical world and not supernatural events.

Science studies physical phenomena such as the stars, the planets, living things, etc.

Science do not study about angels or demons or supernatural events.

An idea is considered true by science if it can be observed, explained and reproduced by others.

Learn more about physical science at: brainly.com/question/4431224

#SPJ1

4 0

2 years ago

A police car drives with a constant speed of 70km/hr. how long will it take to cover a distance of 135km?

Sav [38]

Explanation:

36. How long does it take a car to slow down from a speed of 54 km/h to 32 km/h over a distance of 65 m? Answer in seconds. 37.

3 0

3 years ago

If the gas mileage of a Honda Civic car is 38 miles per gallon how many liters of gasoline would the car use to move from the Es

Troyanec [42]

Answer:

6.25

Explanation:

M = d/g........................ Equation 1

making g the subject of the equation,

g = d/M............................. Equation 2

Where M = mileage per gallon, d = distance move from Essex campus to Catonsville campus, g = amount of gasoline used

Given: M = 38 miles per gallon, d = 37.2 km

If 1 kilometer = 0.62 miles

Then, 37.2 km = 37.2×0.62 miles = 23.064 miles

Substituting these values into equation 2,

g = 38/23.064

g = 1.648 gallon

g ≈1.65 gallon

Thus,

If, 0.264 gallon = 1 liters.

Then, 1.65 gallon = 1.65×1/0.264 = 6.25 liters.

g = 6.25

Thus the car will use 6.25 liters of gasoline to move from the Essex campus to the Catonsville campus.

8 0

3 years ago

When would the velocity of a wave traveling in a medium change

netineya [11]

When the property of the medium changes.

7 0

4 years ago

Read 2 more answers