the repolarization phase of the action potential, where voltage becomes more negative after the 30mv peak, is caused primarily by __________.

Answer:

The lungs are lateral to the heart.

Explanation:

Answer:

lateral

Explanation:

The force produced on the larger piston is 2500N.

The force exerted on a fluid in a closed system is transmitted equally in all directions, according to Pascal's Principle. In this case, the force of 100N applied on the smaller piston will be transmitted equally to the larger piston through the hydraulic fluid.

The ratio of the areas of the larger and smaller piston is 0.05m² / x m², where x is the area of the smaller piston. We can solve for x by setting the ratio equal to the force ratio:

where F1 is the force applied on the smaller piston (100N) and F2 is the force produced on the larger piston.

Solving for x, we get:

Using the same equation and plugging in the values for F1, F2, and the areas of the pistons, we get:

Therefore, the force produced on the larger piston is 2500N.''

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Work = (-1.6 × 10^-19 C) × (-12 V) = 1.92 × 10^-18 J

The work done on an electron by an electric field is given by the equation:

Work = Charge × Potential Difference

Potential difference, also known as voltage, is the difference in electric potential between two points in an electrical circuit. It is a measure of the work done per unit charge in moving a charge from one point to another.

In practical terms, potential difference is what drives the flow of electric current in a circuit. It is typically measured in volts (V) and is represented by the symbol "V". When there is a potential difference between two points in a circuit, charges will move from the higher potential (positive terminal) to the lower potential (negative terminal) in order to equalize the difference

Since the charge of an electron is -1.6 × 10^-19 C and the potential difference is (-12 V - 0 V) = -12 V, the work done on the electron is:

Work = (-1.6 × 10^-19 C) × (-12 V) = 1.92 × 10^-18 J

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Answer:

the second one

Explanation:

Particle motion increases when solid particles are added to the system.

Answer:

your girl is very very very very very very very pretty

Answer:

very very pretty

Explanation:

Answer:

Socialist

Explanation:

Answer: socialist

Explanation: A socialist form of government is where the goods and services are equally shared, and the political power is distributed among the people.

causes other electric charges in the electric field to move. When a charge is placed in an electric field, the field will either pull or push the charge.

A charge moves, transferring energy that can be put to use for work. The force of attraction or repulsion between charged particles is what moves a charge because it is the same force that builds up a charge in the first place.

An electric field pushes the charges forward. We require an electric potential (voltage) source to force electrons from a point of low potential energy to one of higher potential energy.

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Taking into account the definition of calorimetry, the final temperature of the water is 39.38 °C.

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

Sensible heat is defined as the amount of heat that a body absorbs or releases without any changes in its physical state (phase change). The equation that allows to calculate heat exchanges is:

Q = c× m× ΔT

where Q is the heat exchanged by a body of mass m, made up of a specific heat substance c and where ΔT is the temperature variation.

In this case, you know:

Replacing in the expression to calculate heat exchanges:

For copper calorimeter: Qcopper= 420 J/kg K× 0.027 kg× (Final temperature of copper - 293 °C)

For water: Qwater= 4200 J/kg K× 0.020 kg× (Final temperature of water - 315°C)

If two isolated bodies or systems exchange energy in the form of heat, the quantity received by one of them is equal to the quantity transferred by the other body. That is, the total energy exchanged remains constant, it is conserved.

Then, the heat that the copper calorimeter gives up will be equal to the heat that the water receives. Therefore:

- Qcopper = + Qwater

-420 J/kg K× 0.027 kg× (Final temperature of copper - 293 °C)= 4200 J/kg K× 0.020 kg× (Final temperature of water - 315°C)

Solving, considering Final temperature of copper= Final temperature of water= Final temperature

- 11.34 J/K × (Final temperature- 293 K)= 84 J/K× (Final temperature- 315 K)

- 11.34 J/K ×Final temperature- (-11.34 J/K)× 293 K= 84 J/K× Final temperature- 84 J/K×315 K

- 11.34 J/K ×Final temperature + 3,322.62 J= 84 J/K× Final temperature- 26,460 J

84 J/K× Final temperature + 11.34 J/K ×Final temperature= 3,322.62 J + 26,460 J

95.34 J/K ×Final temperature= 29,782.62 J

Final temperature= 29,782.62 J ÷95.34 J/K

Final temperature= 312.38 K= 39.38 °C

Finally, the final temperature of the water is 39.38 °C.

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Answer: C. Water changes from a gas to a liquid.

Answer:C

Explanation:

The maximum wind velocity for a 30° crosswind with a maximum crosswind component of 15 knots is 30 knots.

To determine the maximum wind velocity for a 30° crosswind when the maximum crosswind component for the airplane is 15 knots, follow these steps:

1. Identify the maximum crosswind component: 15 knots.
2. Determine the crosswind angle: 30°.
3. Use the formula: Wind velocity = Maximum crosswind component / sin(crosswind angle).

In this case:

Wind velocity = 15 knots / sin(30°)

The sine of 30° is 0.5, so:

Wind velocity = 15 knots / 0.5

Wind velocity = 30 knots

So, the maximum wind velocity for a 30° crosswind with a maximum crosswind component of 15 knots is 30 knots.

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While a strong cohesive force causes the water droplets to form on the water's surface, a strong adhesive force tends to cause the liquid to spread across the surface.

One of the effects of electrostatic forces, which are applied to various substances, might be adhesion forces. Liquids like water may endure the separation due to the cohesive forces that are connected to Van der Waals forces and hydrogen bonding. As water is spilled onto a glass surface, both adhesive and cohesive forces are at work on the water's surface. While a strong cohesive force causes the water droplets to form on the water's surface, a strong adhesive force tends to cause the liquid to spread across the surface.

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Answer:

Acceleration, \(a=4\ m/s^2\)

Explanation:

Given that,

Initial velocity, u = 20 m/s

Final velocity, v = 60 m/s

Time, t = 10 s

We need to find the acceleration of the car. It is equal to the change in velocity divided by time.

\(a=\dfrac{v-u}{t}\\\\a=\dfrac{60-20}{10}\\\\a=\dfrac{40}{10}\\\\a=4\ m/s^2\)

So, the acceleration of the car is \(4\ m/s^2\).

The particles or energy in a transverse wave travel up and down, perpendicular to the direction of the wave travel.

Electromagnetic waves are type of wave that do not require material medium for their propagation.

This type of waves travels in vacuum or in open medium.

Examples of electromagnetic waves include the follows;

Electromagnetic waves are known as transverse waves due to their mode of propagation.

In transverse wave, the particles of the medium travels perpendicular to their mode of vibration.

Thus, the particles or energy in a transverse wave travel up and down, perpendicular to the direction of the wave travel.

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The order from most difficult to block to easiest to block is gamma radiation, beta radiation, and alpha radiation.

The three types of radiation, in order from the most difficult to block to the easiest to block, are:

1. Gamma radiation: Gamma radiation consists of high-energy photons that can penetrate most materials easily. It is the most difficult type of radiation to block and requires thick and dense materials such as lead or concrete to provide effective shielding.

2. Beta radiation: Beta radiation consists of fast-moving electrons or positrons. While it can travel further than alpha radiation, it is easier to block than gamma radiation. Beta particles can be blocked by materials such as aluminum or plastic.

3. Alpha radiation: Alpha radiation consists of helium nuclei, which are two protons and two neutrons. It is the easiest type of radiation to block due to its large size and positive charge. A sheet of paper or a few centimeters of air can effectively block alpha particles.

Conclusion in one line: The order from most difficult to block to easiest to block is gamma radiation, beta radiation, and alpha radiation.

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The two changes that would decrease the density of ocean water are increasing its temperature and Decreasing it's salinity​.

What is density?

Density is a measure of how much mass is contained in a given unit of volume. It is usually expressed in g/cm3 or kg/m3. It is a measure of how tightly the molecules of a substance are packed together. Density is an important physical property of a material because it affects how it interacts with other materials, how it behaves under different conditions, and how it is affected by forces such as gravity.

The density of seawater is determined by its temperature and salinity. As the temperature of seawater increases, the density of the water decreases. This is because the molecules of water expand and move farther apart as they are heated, resulting in a decrease in the mass per unit volume of water. Similarly, as the salinity of seawater decreases, the density of the water also decreases. This is because the salt in seawater increases the mass per unit volume of water, making the water denser. If the amount of salt in the water decreases, then the water will be less dense.

Therefore, increasing its temperature and Decreasing it's salinity​ decrease the density of ocean water.

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Answer:

2NH

Explanation:

did it on edg 2020

Answer:

2NH

Explanation:

It explains on edg.

The heat generated due to the friction in the given process is 367.83 J.

Frictional heat generates when two surfaces slide against each other. The heat generated due to the friction in the given process is 6.92.7 J.

Frictional heat:

This heat is generated when two surfaces slide against each other.

Potential energy :-

U= m g h;

Put the values

U=  18.0-kg* 9.8 m/s^2 *2.20 m

U=388.08 J

The Kinetic energy in the bottom:

K = 1/2 * m * v^2

=  1/2 * 18.0* 1.50^2

K= 20.25 J

So the friction heat,

Hf = U - K

Hf = 388.08 J -20.25 J

Therefore, the heat generated due to the friction in the given process is 367.83 J.

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Answer:

chlorine is a non-metal.

Explanation:

a chlorine atom has 7 electrons in its outer shell. chlorine is in group 7 of the periodic table. two chlorine atoms will each share one electron to get a full outer shell and form a stable cl2 molecule.

Answer:

Centripetal force

Explanation:

The force that keeps outside the bicycle is centripetal force.

The following information should be considered:

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Given:

ratio of energy is 2√2 : √3

Apply:

Where:

q = charge of proton

v= speed of proton

r= radius of circular path

T= time period of revolution

Kinetic energy (K)

K= 1/2mv^2

From both equations:

Tα1/k

K1:K2 = 2√2 : √3

T1:T2 = √3:2√2

Answer: √3:2√2

Answer:

C or m/s(meters per second)

Answer:

31.6 times louder

Explanation:

A 165-dB sound is approximately 31.6 times more intense than an 85-dB sound. This means that the 165-dB sound is approximately 31.6 times louder than the 85-dB sound.

The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.

Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.

For instance, 50 km/hr west denotes the velocity of a car whereas 50 km/hr (31 mph) denotes the speed at which it is moving down a route.

The average speed of an object is determined by dividing the distance traveled by the amount of time it takes the object to reach the distance.

Therefore, The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.

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Yes that's correct. The heaviest rainfall typically occurs in the northeast quadrant of a supercell thunderstorm.

I'm happy to help with your question! The heaviest rainfall typically occurs in the northeast quadrant of a supercell thunderstorm.

Step-by-step explanation:

1. A supercell thunderstorm is a powerful and highly organized storm characterized by a rotating updraft, strong winds, and severe weather.
2. These storms can be divided into four quadrants: northwest, northeast, southwest, and southeast.
3. The northeast quadrant of a supercell thunderstorm is where the heaviest rainfall generally takes place.
4. This is because the storm's inflow and updraft in this quadrant bring in moisture-rich air, leading to higher amounts of rainfall.

So, the heaviest rainfall is typically found in the northeast quadrant of a supercell thunderstorm.

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If a  book of mass 0.4 kg is pushed to the left across a table with a force of 2.4 N. Kinetic friction provides a force of magnitude 0.8 N, then the normal force acting on the book would be 3.92 Newtons.

Friction is a type of force that resists or prevents the relative motion of two physical objects when their surfaces come in contact.

As given in the problem If a  book of mass 0.4 kg is pushed to the left across a table with a force of 2.4 N. Kinetic friction provides a force of magnitude 0.8 N,

The normal force = m × g

                             =  0.4 × 9.8

                             = 3.92 Newtons

Thus, the normal force acting on the book would be 3.92 Newtons.

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The integral of 1/(1 + x²) is (1/2)ln|1 + x²| + C where C is the constant of integration.

Integration is a mathematical process of finding the antiderivative of a function. To integrate the given expression 1/(1 + x²), we will use the substitution method.

Let u = 1 + x², du/dx = 2x dx, then dx = du/2x and the integral becomes:

∫1/(1 + x²) dx = ∫1/u * (1/2x) du= (1/2)∫1/u du

The antiderivative of 1/u is ln|u| + C, where C is the constant of integration.

Therefore, the final solution of the integral is (1/2)ln|1 + x²| + C.

Let us work through the steps:

Step 1:Let u = 1 + x² and then differentiate both sides with respect to x to obtain du/dx. du/dx = 2x

Substitute 2x dx = du into the integral ∫1/(1 + x²) dx to get the integral in terms of u:∫1/u * (1/2x) du = (1/2) ∫1/u du

Step 2:Calculate the antiderivative of 1/u, which is ln|u|. Thus, the final solution is (1/2)ln|1 + x²| + C, where C is the constant of integration. The constant C will vary depending on the initial conditions of the problem.

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They have a limited supply in nature, therefore if they are used excessively, they will become exhausted.

Today, we recognise that using fossil fuels has a negative impact on the environment. Fossil fuels produce and utilise local pollutants, and their continued use permanently alters the temperature of our entire world.

Wastes from combustion sources are those that result from carbon pollution (i.e., coal, oil, natural gas). Included in this are all ash and particles taken out of the flue gas.

The fossile fuel is limited in nature. So, it should not waste energy from fossil fuels.

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Objects want to continue doing what they’re doing because they are “lazy.” This is called law of inertia.

Newton's first law of motion states that an object at rest or uniform motion in a straight line will continue in that state unless it is being acted upon by an external force. This law is also called the law of inertia because it depends on mass.

From the given question, we can fill gaps as follows;

Objects want to continue doing what they’re doing because they are “lazy.” This is called law of inertia.

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