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3 years ago

Which are parts of a neuron?

Physics

1 answer:

otez555 [7]3 years ago

3 0

Axon
Dendrites
Myelin sheath
I think that those are enough

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Describe the change in motion and kinetic energy of the particles as thermal energy is removed from a liquid. Which change of st

Kobotan [32]

Answer:

Change in state from liquid to solid.

Explanation:

Decrease in thermal energy will decrease energy and particles will slow down. Change in state from liquid to solid.

8 0

3 years ago

A + 32.2 μC charge feels a 0.544 N force from a + 12.3p μC charge. How far apart are they? (u stands for micro.) [?] m

love history [14]

Answer:

r = 2.55 m

Explanation:

Given that,

First charge, q₁ = 32.2 μC

Second charge, q₂ = + 12.3 μC

The force between charges, F = 0.544 N

We need to find the distance between charges. The force between two charges is given by the formula as follows :

$F=k\dfrac{q_1q_2}{r^2}\\\\r=\sqrt{\dfrac{kq_1q_2}{F}} \\\\r=\sqrt{\dfrac{9\times 10^9\times 32.2\times 10^{-6}\times 12.3\times 10^{-6}}{0.544}} \\\\r=2.55\ m$

So, the charges are 2.55 m apart.

5 0

3 years ago

What is the english system of measurement called?

Artemon [7]

The answer is imperial units

8 0

3 years ago

A car slows down uniformly from a speed of 22 m/s to rest in 4.0 seconds. How far did it travel in that time

krek1111 [17]

Answer:

$\boxed{\sf Distance \ travelled = 44 \ m}$

Given:

Initial speed (u) = 22 m/s

Final speed (v) = 0 m/s (Rest)

Time taken (t) = 4 seconds

To Find:

Distance travelled by car (s)

Explanation:

From equation of motion of object moving with uniform acceleration in straight line we have:

$\boxed{ \bold{s = (\frac{v + u}{2} )t}}$

By substituting value of v, u & t in the equation we get:

$\sf \implies s = ( \frac{0 + 22}{2} ) \times 4 \\ \\ \sf \implies s = \frac{22}{2} \times 4 \\ \\ \sf \implies s = 11 \times 4 \\ \\ \sf \implies s = 44 \: m$

$\therefore$

Distance travelled by car (s) = 44 m

4 0

4 years ago

A 0.2 kg plastic cart and a 20 kg lead cart both roll without friction on a horizontal surface. Equal forces are used to push bo

Fynjy0 [20]

Answer:

Equal

Explanation:

The impulse theorem states that the impulse exerted on each cart is equal to the change in momentum of the cart:

$I=\Delta p=p_f -p_i$

where

I is the impulse

pf is the final momentum

pi is the initial momentum

The impulse is equal to the product between the force applied and the contact time:

$I=F\Delta t$

In this case, the force applied to the two carts (F) is the same, and the contact time ( $\Delta t$ ) is the same as well. Therefore, the impulse exerted on the two carts is the same.

Moreover, the initial momentum of the two carts is also the same (zero, because they start from rest: $p_i=0$ ). So the formula becomes

$p_f = I$

And since I is the same for the two carts, the final momentum ( $p_f$ ) will also be equal.

7 0

3 years ago