Based on the data, which prediction should he expect to occur? A2 repels B1. C2 attracts B2. B1 repels C1. A1 attracts C2.

An axon requires three pieces of information to calculate the current associated with an NCV pulse: potential, resistance per unit length, and length. So, the correct answer is option D.

Potential is the difference in voltage between two places, while resistance per unit length is the amount of resistance present along an axon's length.

The voltage difference is multiplied by the axon resistance to determine the current. By dividing the resistance per unit length by the axon's length, the resistance of the axon is determined.

We can determine the current associated with an NCV pulse by knowing the potential, resistance per unit length, and length of an axon.

Complete Question:

What information about an axon is required to calculate the current associated with an NCV pulse?

A. Conductivity, resistivity, and length

B. Potential, conductivity, and radius

C. Potential, resistivity, and radius

D. Potential, resistance per unit length, and length

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Answer:

The coefficient  of kinetic friction is 0.51.

Explanation:

Given that,

Applied force, F = 75 N

Mass of a box, m = 15 kg

The acceleration of the box is 3 m/s²

We need to find the coefficient  of kinetic friction. It is given by the formula as follows :

\(F=\mu_k F_N\)

Where,

\(F_N=mg\), is the normal force

\(\mu_k=\dfrac{F}{mg}\\\\\mu_k=\dfrac{75}{15\times 9.8}\\\\\mu_k=0.51\)

So, the coefficient  of kinetic friction is 0.51.

Answer:

vx = 65 yd/3 sec  = 21.7 yd/sec  since horizontal speed is constant

vy = g t = (32 / 3) yd/sec^2 * 1.5 sec = 16 yd/sec   where 32/3 is the acceleration due to gravity in yds / sec^2  and 1.5 is the time to travel each way in the vertical direction

V = (vx^2 + vy^2)^1/2 = (21.7^2 + 16^2)^1/2 = 27 yd/sec

tan theta = vy/vx = 16 / 21.7 = .737    theta = 36.4 deg

You can check using the range formula:

R = v^2 sin (2 theta) / g = 27^2 * .955 / (32 / 3) = 65.3 yds  

The difference from 65 yds may be rounding error.

Answer:

Given

mass (m) =45kg

velocity (v) =15m/s

momentum (p) =?

Form

p=mv

=45x 15

p=675kg.m/s

the momentum =675kg.m/s

The forces in members ab and cb are 4 kN (compression) and 2.3094 kN (tension), respectively.

Given, θ = 30°; Load P = 4 kN
Let's find out the force in member AB:
As the load P is applied at joint B, the horizontal force in member AB will be equal to the force P. Thus,
HAB = P = 4 kN
Now, to find out the force in member CB, let's resolve forces horizontally and vertically at joint B.
Horizontal equilibrium: HCB - P = 0
HCB = P = 4 kN
Vertical equilibrium: VCB - HAB * tanθ = 0
VCB = HAB * tanθ = 4kN * tan30°
VCB = 2.3094 kN
Now, let's resolve forces at joint C.
Vertical equilibrium: VCA - VCB - 2 kN = 0
VCA = VCB + 2 kN
VCA = 2.3094 kN + 2 kN
VCA = 4.3094 kN
The forces in members AB and CB are 4 kN and 2.3094 kN, respectively.
Members AB and CB are in compression and tension, respectively.
Thus, the forces in members ab and cb are 4 kN (compression) and 2.3094 kN (tension), respectively.

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When being charged with electrical pressure voltage higher than that of the batteries' total cell count.

When being charged with electrical pressure voltage higher than that of the batteries' total cell count, there is a risk of overcharging the batteries. This can cause damage to the batteries, such as electrolyte loss, heat buildup, and even explosions. It is important to use a charger that is specifically designed for the batteries being used and to never exceed the recommended charging voltage. Additionally, monitoring the charging process and ensuring the batteries do not become too hot can help prevent damage and prolong the lifespan of the batteries.

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Answer: -31039 J

Explanation:

Answer:A compound is a substance formed when two or more elements are chemically joined.

Explation:Water, salt, and sugar are examples of compounds.

I hope this helps<3

Complete Question

A coal train in Montana starts from rest and accelerates at 2.5m/s^2 for 15 Find the trains maximum velocity

Answer:

The maximum velocity is   \(v =  37.5 \ m/s \)  

Explanation:

From the question we are told that

   The acceleration is \(a =2.5\ m/s^2\)

   The time for the acceleration is \(t = 15 \  s\)

Generally from the kinematics equation

   \(v =  u  +  at\)  

here u  is the initial  velocity and the value  is  0 m/s  given that it started rom rest

     \(v =  0  +  2.5  *  15\)  

     \(v =  37.5 \ m/s \)  

Answer:

Below :)

Explanation:

It is the powerhouse of the cell and creates chemical energy.

= Total Distance/Total time

= 30/3

= 10 km/h

Average speed = Total distance travelled/time taken

= 50/6

= 8.3 km/h

Answer:

The box with a mass of 10 kilograms would have a greater amount of potential energy than the box with a mass of 4 kilograms.

Explanation:

Potential energy can be defined as an energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

\( P.E = mgh\)

Where,

P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

Let's assume the height is 5 meters.

Acceleration due to gravity, g = 10 m/s²

For box with mass of 10 kg

\( P.E = 10*10*5\)

P.E = 500 Joules.

For box with mass of 4 kg;

\( P.E = 4*10*5\)

P.E = 200 Joules.

Hence, the box with a mass of 10 kilograms would have a greater amount of potential energy than the box with a mass of 4 kilograms.

Answer:

710kg

Explanation:

Given parameters:

Weight of race car = 6958N

Unknown:

Mass of the race car  = ?

Solution:

The weight of a body is the force of gravity acting on that body. It is mathematically expressed as:

  Weight  = mass x acceleration due to gravity

Acceleration due to gravity  = 9.8m/s²

  6958 = mass x 9.8

        mass  = 710kg

The weight of the object from the information provided in the question is  1500 N.

We know that pressure = Force/area. We have the following information from the question;

Pressure =500 Nm-2

Area = 3 m2

Hence;

Force = Pressure × area

Force = 500 Nm-2 × 3 m2

Force = 1500 N

Hence, the weight of the object is 1500 N

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Answer:

Time seem to flow only in one direction because if it started to go in backward direction that would break the second law of thermodynamics. We do not find time to be moving in any direction because time is not an object that can move nor is it a force that can move any object.

Answer:

C. The net force acting on it.

Answer:

c is the correct answer

Explanation:

A Rube Goldberg Machine is “a comically involved, complicated invention, laboriously contrived to preform a simple operation.” 2. What are the 6 Simple Machines? A. The 6 Simple Machines are: wedge, screw, lever, wheel and axel, inclined plane and pulley

Answer: it’s actually A

Explanation:

Anything sharp like a knife, is a wedge so the hook thingy is a wedge

The other two ways heat moves around are radiation and convection.

power is transferred between the Earth's surface and the ecosystem in a variety of ways, together with radiation, conduction, and convection. Conduction is one of the 3 important methods that warmness electricity moves from region to place. the other ways warmness actions around are radiation and convection.
The go with the flow of heat from Earth's indoors to the surface is anticipated at forty 7±2 terawatts (TW) and is derived from two fundamental resources in more or less identical amounts: the radiogenic warmness produced by means of the radioactive decay of isotopes within the mantle and crust, and the primordial warmth left over from the formation of Earth.

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Answer:

Vi = 5 m/s

Explanation:

let (a) acceleration = 0.75 m/s²

(t) time = 20 seconds

Vf = final velocity = 72 km/hr  (convert to m/s to units consistency = 20 m/s)

find Initial velocity (Vi)

       Vf - Vi

a =  -----------

             t

Vi = Vf - (a * t)  = 20 - (0.75 * 20)

Vi = 5 m/s

The equation Jerry should use for the total resistance in a series circuit is R = R₁ + R₂ + R₃.

option A.

In a series circuit, all components are connected end-to-end, forming a single path for current flow.

A series circuit can contain any combination of resistors, capacitors, and inductors.

In a series circuit, the current flowing in each circuit component is the same  and the voltage drop in each circuit component is different.

Based on this, the total formula for the total resistance in a series circuit is given as;

R = R₁ + R₂ + R₃

where;

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Answer:

Family

1. Definition of a family

A family is a group of people living together in a home related by blood, marriage or adoption.

2. Two function of the family are;

3. Two types of family are;

4. Two roles and responsibilities of the parents and children in the home are;

Accident in the Home

1. Definition of accident in the home

accidents in the home are common to persons of all ages, therefore home accidents occurs in one's home that may cause an result an injury of a person

2. Two types of accident in the home

3. The two uses of cereals in cooking

Cereals in cooking are used as thickened agents.

4. complete table

1. minor cuts and wounds

2. Poisoning

Care labels

1. definition of care label

care labels can be defined as a permanent label or we can say a tag, which contains regular instructions that is attached at the back of a cloth.

3. two classification of carbohydrates

The original volume of the hydrogen sample was 0.2997 L if a sample of hydrogen at 1. 65 atm had its pressure decreased to 0. 454 atm producing a new volume of 755 ml.

We can use the Ideal Gas Law to find the original volume of the hydrogen sample. The Ideal Gas Law states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the gas constant, and T is the temperature. Assuming that the temperature remains constant, we can write:

P1V1 = P2V2

where P1 is the initial pressure of 1.65 atm, V1 is the initial volume, P2 is the final pressure of 0.454 atm, and V2 is the final volume of 755 mL. Converting the volumes to liters and the pressures to atmospheres, we have:

V1 = (P2V2) / P1

V1 = (0.454 * 0.755) / 1.65

V1 = 0.2997 L

So, the original volume of the hydrogen sample was 0.2997 L.

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Answer:

B 7.5mph/s

Explanation:

use change in y/ change in x

The average density of the balloon having a volume of 5.0 m³ is 0.4 kg/m³

The mass of the balloon with the enclosed gas = 2.0 kg

The volume of the balloon = 5 m³

The density of the air = 1.3 kg/m³

The density of the balloon can be found using the formula

               ρ = m/v

where ρ is the density of the balloon

          m is the mass of the balloon

          v is the volume of the balloon

Let us substitute the known values in the above formula, we get

                   ρ = 2 / 5

                      = 0.4

Thus, the density of the balloon is 0.4 kg/m³

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Answer:

C

Explanation:

you cannot any other thing if you don't even know what you are designing.

The first step in the technological design process is to define a need or problem, therefore the correct answer is option C.

There are mainly five stages of technological design,

Identifying the issue that needs to be solved is the first step in every problem-solving process.

The second stage is to imagine; during this phase,

The chosen product from the imaging stage is planned in the third stage.

Testing, evaluating, and modifying the product are the fourth stage.

The sharing of your solution is the fifth step. To gather comments, discuss your ideas with others, and enhance your product,

Technological designing is a lengthy process that involves a number of steps but identifying the problem we are going to is the most important step among all of the steps because a wrong approach to the problem would lead to faulty design in the later stages.

Thus, the first step in the technological design process is to define a need or problem, therefore the correct answer is option C.

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Answer:

B. Direction

Explanation:

Speed is a scalar quantity and doesn't keep track of direction : Velocity is a vector quantity and is direction aware.

Answer:

the path the object follows is called its trajectory so A. trajectory

Answer:

a) A = 3 cm,  b)  T = 0.4 s,   f = 2.5 Hz,

2) A standing wave the displacement of the wave is canceled and only one oscillation remains

Explanation:

a) in an oscillatory movement the amplitude is the highest value of the signal in this case

          A = 3 cm

b) the period of oscillation is the time it takes for the wave to repeat itself in this case

          T = 0.4 s

the period is the inverse of the frequency

         f = 1 /T

         f = 1 /, 0.4

         f = 2.5 Hz

2) a traveling wave is a wave for which as time increases the displacement increases, in the case of a transverse wave the oscillation is perpendicular to the displacement and in the case of a longitudinal wave the oscillation is in the same direction of the displacement.

A standing wave occurs when a traveling wave bounces off some object and there are two waves, one that travels in one direction and the other that travels in the opposite direction. In this case, the displacement of the wave is canceled and only one oscillation remains.

Answer:

2730.304 KJ

Explanation:

 How much heat is required to convert 0.8 kg of ice at  -35°C into steam at 100 C?

Given that:

mass of ice (m) = 0.8 kg = 800 g

Initial temperature (\(T_i\)) = -35°C = 238 K

final temperature (\(T_n\))= 100°C = 373 K

Specific heat of ice (\(S_i\)) = 2.108 J/g.K

Specific heat of water (\(S_w\)) = 4.18 J/g.K

Latent heat of fusion (\(L_f\)) = 334 J/g.

Latent heat of vaporization (\(L_v\)) = 2230 J/g.

\(\Delta T=T_n-T_i=373-238=135K\)

Total heat (Q) required to increase the temperature of ice from the initial temperature of 238K to final temperature of 373 K is given by the equation:

\(Q=m\Delta TS_i+m\Delta TS_w+mL_f+mL_v\\Q=800(135)*2.108+800(135)*4.18+800*334+800*2230\\Q=227664+451440+267200+1784000=2730304J\\Q=2703.304KJ\)