Please Help!!! I WILL GIVE BRAINLIEST!!!! An electron is in motion at 4.0 × 10^6 m/s horizontally when it enters a region of space between two parallel plates, starting at the negative plate. The electron deflects downwards and strikes the bottom plate. The magnitude of the electric field between the plates is 4.0 x 10^2 N/C and separation between the charged plates is 2.0 cm. a.) Determine the horizontal distance traveled by the electron when it hits the plate. b.)Determine the velocity of the electron as it strikes the plate.

When a weightless spring scale is attached to two equal weights, the reading on the scale will be zero. This is because the weights on both sides are balanced, resulting in no net force acting on the scale.

The reason for this is Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. In this case, when one weight exerts a downward force on the spring scale, the other weight exerts an upward force of the same magnitude on the scale.

These opposing forces cancel each other out, resulting in a net force of zero. As a result, the spring scale does not experience any deformation and the reading remains at zero.

It is important to note that this only applies when the two weights are equal. If the weights were different, there would be an imbalance in the forces, causing the spring scale to register a non-zero reading.

In summary, when a weightless spring scale is attached to two equal weights, the reading on the scale will be zero due to the balanced forces acting on it.

For more question  force

https://brainly.com/question/17927930

#SPJ8

A) The power of the lens be when looking at distant objects is 58.823 D

B) The power of the lens be when looking at an object 20.0 cm from the eye is 63.823 D

According to the Dictionary of Ophthalmic Optics, the definition is stated thus: “The straight line measurement in millimeters (z axis) from the back or ocular surface vertex of a mounted spectacle lens to the apex of the cornea.” For a more practical definition, it is the straight line distance in millimeters from the back surface of any lens (mounted in spectacles or not) to the apex of the cornea.

(a) Power  1/p

      = 1/f

      = 1/ .017 m

      = 58.823 D

(b) 1/q + 1/p

    = (1/0.20 m) + (1/.017 m)

     = 63.823 D

The given question is incomplete, the complete question is

Suppose the distance from the lens system of the eye (cornea +lens) to the retina is 17 mm.

(a) What must the power of the lens be when looking at distant objects?

(b) What must the power of the lens be when looking at an object 20.0 cm from the eye?

To know more about power here

https://brainly.com/question/2248465

#SPJ4

Answer:

[Ne] 3s² 3p¹

Explanation:

Answer: 1s2 2s2 2p6

Explanation:

The aluminum ground state would be 1s2 2s2 2p6 3s2 3p1.

However, the Aluminum Ion electron configuration would be 1s2 2s2 2p6 as it has LOST 3 electrons to have the noble gas configuration of Neon (Ne)

Answer:

The alkaline earth metals are the elements that correspond to group 2 of the modern periodic table. This group of elements includes beryllium, magnesium, calcium, strontium, barium, and radium. The elements of this group are quite similar in their physical and chemical properties.

Explanation:

\(\\ \sf\longmapsto No\;of\:moles=\dfrac{Given\:mass}{Atomic\:mass}\)

\(\\ \sf\longmapsto No\:of\:moles=\dfrac{1.59}{0.0230}\)

\(\\ \sf\longmapsto No\:of\:moles=69.13moles\)

The graph shown in the first option nicely plots the lion's and gazelle's velocities as a function of time, so option A is the correct answer.

Velocity is the rate of change of displacement over time.

As mentioned in the problem of running at a constant speed towards a gazelle with a standing lion as shown above.

So option A is correct.

To know more about velocities,

https://brainly.com/question/13471585

#SPJ4

Answer:

The gravitational force is 3.56 × 10^22 N

Explanation:

\({ \bf{force = \frac{GM_{s} m _{e}}{ {r}^{2} } }}\)

\({ \sf{force = \frac{6.67 \times {10}^{ - 11} \times (2 \times {10}^{30} ) \times (6\times {10}^{24}) }{(1.5 \times {10}^{11}) {}^{2} } }} \\ \\ { \sf{force = 3.56 \times {10}^{22} \: newtons}}\)

Answer:

stupid question

Explanation:

To determine the wavelength of the light used in the experiment, we would need additional information or context about the experiment itself. information provided in the previous question about the current and charge of a lightning bolt does not directly give us the wavelength of the associated light

The given information about the current and charge of a lightning bolt does not provide any direct information about the wavelength of the associated light. To determine the wavelength of the light used in the experiment, we need additional information or assumptions about the nature of the experiment. The information provided in the previous question about the current and charge of a lightning bolt does not directly give us the wavelength of the associated light.

To learn more about wavelength, https://brainly.com/question/31322456

#SPJ11

The total work done on the crate of bananas is 4800 J (the work done to move it horizontally).

Work done is defined as the product of displacement and force, w = FS.

Here,

There are two parts to the work done on the crate of bananas: the work done to move it horizontally and the work done to lift it vertically.

First, let's calculate the work done to move the crate horizontally. The formula for work is,

Work = Force x Distance x cos(Ф)

where theta is the angle between the force and the displacement. In this case, the force is the tension in the rope, and it is pulling horizontally. So, theta is 0 degrees, and cos(Ф) is 1.

The distance the crate is moved horizontally is 5 meters, and the force applied by the motor is,

Force = Power / Velocity = 40 W / (5 m / 120 s) = 960 N

So, the work done to move the crate horizontally is:

Work = 960 N x 5 m x cos(0) = 4800 J

The distance the crate is lifted vertically is not given in the problem, so we cannot calculate the work done to lift the crate without this information.

Therefore, the total work done on the crate of bananas is 4800 J (the work done to move it horizontally).

Learn more about work done here:

https://brainly.com/question/13662169

#SPJ1

Answer:

Explanation:

To get the displacement, we will make use of the expression;

\(D = \sqrt{(\sum d_x)^2+(\sum d_y)^2}\)

Taking the sum of the distances along the x;

dx = 1km - 4km

dx = -3km

Taking the sum of the distances along the y axis

dy = 3km - 3km

dy = 0km

Substitute into the formula above;

\(R = \sqrt{(-3)^2+(0)^2}\\R = \sqrt{9} \\R = 3km\\\)

Hence his displacement is 3km

The magnitude of the motional emf in the rod is 0.1872 when an isolated conducting rod of length 8.00 cm is oriented parallel to the x-axis. The speed of rod in y-direction is 3.90m/s.

Given an isolated conducting rod of length (l) = 8.00 cm = 8x10-2m

it moves in the y-direction at (v) = 3.90 m/s

uniform magnetic field of magnitude (B)= 0.600T

Let the magnitude of the motional emf in the rod be E

We know that E = BxlxV

E = 0.600T x 3.90m/s x 8x10-2m = 18.72x10-2

Hence the magnitude of the motional emf in the rod is 0.1872

To learn more about emf click here https://brainly.com/question/15121836

#SPJ4

Both the ships will see the other ship with the same velocity i.e, 0.999c m/s.

To calculate the velocity of one ship as seen by the other ship, we need to use the velocity transformation formula derived from Lorentz transformation:

V = {v1 - v2/1-(v1)(v2)} x c

Here v1 and v2 are the velocities of the two ships

As the ships are heading towards each other v1 = -v2 = 0.999c

Putting this value in the above equation

V = 0.999c + 0.999c/1 - (0.999c)(0.999c) x c = 0.999c m/s

Hence, both the ships will see the other ship with the same velocity i.e, 0.999c m/s.

To know more about "relative velocity", refer to the link given below:

https://brainly.com/question/12846122?referrer=searchResults

#SPJ4

The energy of the scattered photons is approximately 538.7 keV.

Momentum is a measure of an object's motion and is given by the product of its mass and velocity. However, photons, which are particles of light, have no mass but they still possess momentum due to their energy and wavelength.

The momentum of a photon is given by its energy divided by the speed of light. To calculate the energy of scattered photons, we can use the formula E = hf, where E is energy, h is Planck's constant and f is frequency.

However, since the problem gives us the wavelength of the photons, we can use the formula E = hc/λ, where c is the speed of light and λ is the wavelength.

Using this formula, we find that the energy of the scattered photons is approximately 538.7 keV.

Learn more about momentum at https://brainly.com/question/31643367

#SPJ11

Because the sun serves as an extended source, the moon's shadow has a dark center surrounded by a zone of rising brightness.

The star at the core of the solar system is the Sun. It is a nearly perfect ball of hot plasma that has been heated to incandescence by nuclear fusion processes in its center. The energy it radiates is primarily visible light, ultraviolet, and infrared radiation. It is the most crucial source of energy for life on Earth. The Sun has a radius that is around 109 times greater than that of the Earth, or 695,000 kilometers (432,000 miles). Its mass is approximately 330,000 times that of the Earth and makes up 99.86% of the solar system's total mass. The Sun's mass is made up of roughly 73% hydrogen and 24% helium, with much lesser amounts of heavier elements including oxygen, carbon, neon, and iron.

To know more about the Sun, visit:

https://brainly.com/question/17376727

#SPJ4

The basic building block of all silicate minerals is the silicon-oxygen tetrahedron.

The answer is: The silicon-oxygen tetrahedron is the basic building block of all silicate minerals.

Explanation: The basic building block of all silicate minerals is the silicon-oxygen tetrahedron. It consists of four oxygen atoms arranged around a silicon atom in a tetrahedral shape, which is a pyramid with a triangular base.

Each oxygen atom shares two electrons with the silicon atom, forming covalent bonds. The structure of the tetrahedron is so strong that it forms the backbone of all silicate minerals.

Silicate minerals are the most abundant minerals on Earth's crust. They are essential components of rocks and soils and play a vital role in the carbon cycle, the formation of mountains, and the formation of the Earth's crust.

Conclusion: Therefore, it can be concluded that the silicon-oxygen tetrahedron is the basic building block of all silicate minerals.

To know more about tetrahedron visit

https://brainly.com/question/3060807

#SPJ11

Answer:

A.

Explanation:

Because you are working in the buisnes, you can make a good impression by paying the exact amount or more in taxes.

Answer:

High-speed rail in China is officially defined as "newly-built passenger-dedicated rail lines designed for electrical multiple unit (EMU) train sets traveling at not less than 250 km/h (155 mph) (including lines with reserved capacity for upgrade to the 250 km/h standard) on which initial service operate at not less ...

Rolling friction causes a ball to roll more slowly when it rolls on a horizontal surface. Since static friction is to blame for the friction force, it produces no net work and has no effect on energy dissipation. Thus, option A is correct.

On a frictionless horizontal surface, the ball could neither speed up no slow down because the horizontal surface was intermediate between downhill and uphill. Galileo concluded that in the absences of friction, a ball that once started rolling on a horizontal surface would roll forever.

Friction causes a ball rolling on a flat surface to slow down. The ball finally comes to a stop as a result of friction, which operates in opposition to the ball's motion. If not, it will continue to roll indefinitely.

Therefore, The friction force is brought on by static friction; it has no effect on releasing energy or producing net work.

Learn more about unbalanced force here:

https://brainly.com/question/19054208

#SPJ2

The density distributions (i) and (ii) can be sketched as functions of x for different times, providing insights into their behavior over time.

The flux of material (q) past any point x at any time t can be determined by multiplying the density gradient (∂rho/∂x) with the diffusion coefficient µ. This represents the flow of material per unit area perpendicular to the x-axis, indicating the rate of material transport.

To sketch the density distributions (i) and (ii), we can plot the density values as a function of x for various time values. For distribution (i), the density decreases with increasing distance from the origin, forming a bell-shaped curve that decreases over time.

The rate of decrease depends on the diffusion coefficient µ. For distribution (ii), the density linearly decreases with increasing distance from the origin and remains constant over time. These sketches provide visual representations of how the density of the material changes spatially and temporally.

To verify that the density distributions satisfy the diffusion equation, we need to compare the equations with the given distribution forms.

By taking the partial derivative of density with respect to time (∂rho/∂t) and the second partial derivative of density with respect to x (∂²rho/∂x²), we can confirm whether they are proportional to each other with a factor of µ. If the resulting equations match, it indicates that the distributions satisfy the diffusion equation.

The flux of material (q) past any point x at any time t is determined by multiplying the density gradient (∂rho/∂x) with the diffusion coefficient µ. This represents the rate at which material is flowing through a specific point in the x-direction.

It provides information about the amount of material passing through a given area per unit time, highlighting the transport properties of the material.

Learn more about density

brainly.com/question/15164682

#SPJ11

The maximum pressure the rectangular block can exert on a surface when placed on one of its faces on a horizontal surface is 317.71 Pa.

The maximum pressure the rectangular block can exert on a surface occurs when it is placed on one of its smallest faces.

To calculate the maximum pressure, we need to find the weight of the block, which is equal to its mass multiplied by the acceleration due to gravity. The mass of the block can be calculated as follows:

mass = density x volume

The volume of the block is:

volume = length x width x height

volume = 6.0 cm x 8.0 cm x 12.0 cm

volume = 576 cm³

Converting to meters:

volume = 0.006 m x 0.008 m x 0.12 m

volume = 5.76 x 10^-5 m³

Therefore, the mass of the block is:

mass = density x volume

mass = 2700 kg/m³ x 5.76 x 10^-5 m³

mass = 0.1555 kg

The weight of the block is:

weight = mass x acceleration due to gravity

weight = 0.1555 kg x 9.81 m/s²

weight = 1.526 N

When the block is placed on one of its smallest faces, the area of contact with the surface is:

area = length x width

area = 6.0 cm x 8.0 cm

area = 48 cm²

Converting to meters:

area = 0.06 m x 0.08 m

area = 0.0048 m²

Therefore, the maximum pressure the block can exert on the surface is:

pressure = weight / area

pressure = 1.526 N / 0.0048 m²

pressure = 317.71 Pa

Learn more about maximum pressure here: https://brainly.com/question/29596309

#SPJ1

The equation for energy in the context of fluid dynamics, specifically in Computational Fluid Dynamics (CFD), is typically represented by the conservation of energy equation, also known as the energy equation or the first law of thermodynamics. The equation can be expressed as:

ρ * (du/dt + u * ∇u) = -∇p + ∇⋅(μ * (∇u + (∇u)^T)) + ρ * g + Q

where:

ρ is the density of the fluid

u is the velocity vector

t is time

∇u represents the gradient of velocity

p is the pressure

μ is the dynamic viscosity

g is the gravitational acceleration vector

Q represents any external heat source/sink

The physical meaning of energy in CFD is the total energy of the fluid system, which includes kinetic energy (associated with the motion of the fluid), potential energy (associated with the elevation of the fluid due to gravity), and internal energy (associated with the fluid's temperature and pressure). The energy equation describes how this total energy is conserved and transformed within the fluid system.

In CFD simulations, the energy equation plays a crucial role in modeling the energy transfer, heat transfer, and flow characteristics within the fluid. It helps in understanding how energy is distributed, dissipated, and exchanged within the fluid domain. By solving the energy equation numerically, CFD simulations can predict temperature profiles, flow patterns, heat transfer rates, and other important parameters that are essential for various engineering applications, such as designing efficient cooling systems, optimizing combustion processes, and analyzing thermal behavior in fluid flows.

To know more about Fluid Dynamics,

https://brainly.com/question/30578986

#SPJ11

Answer:

7/20

Explanation:

0.35 as a fraction =35/100

35/100 can b divided by 5 so =7/20

0.350 simplified as a fraction is 7/20

Answer:

7/20

Explanation:

The time required to cover the Moon to a depth of 1.20 meters with micrometeorites.

To find out how long it would take to cover the Moon to a depth of 1.20 meters with micrometeorites, we can calculate the volume of the Moon and then divide it by the volume of one micrometeorite. Let's break down the calculation step by step:

Calculate the volume of the Moon:

The average radius of the Moon is approximately 1.737 ×10⁶ meters. Using the formula for the volume of a sphere, V = (4÷3)πr³, we can calculate the volume of the Moon.

\(V_{moon}\) = (4÷3)π(1.737 × 10⁶)³

Calculate the volume of one micrometeorite:

The diameter of the micrometeorite is given as 1.30 ×10⁽⁻⁶⁾ meters, which means the radius is half of that.

\(r_{meteorite}\) = (1.30 × 10⁽⁻⁶⁾)÷2

Using the formula for the volume of a sphere, V = (4÷3)πr₃, we can calculate the volume of one micrometeorite.

\(V_{meteorite}\) = (4÷3)π((1.30 × 10⁽⁻⁶⁾)÷2)³

Calculate the number of micrometeorites needed to fill the Moon:

To find the number of micrometeorites required to fill the Moon, we divide the volume of the Moon by the volume of one micrometeorite.

\(N_{meteorites}\) = \(V_{moon}\) ÷ \(V_{meteorite}\)

Calculate the time to fill the Moon:

Since one micrometeorite strikes each square meter of the Moon each second, we can equate the number of micrometeorites needed to fill the Moon to the number of seconds it would take.

Time = \(N_{meteorites}\) ÷ (1 m²/s)

Convert seconds to years:

Finally, we convert the time in seconds to years by dividing by the number of seconds in a year (assuming 365.25 days in a year and 24 hours in a day).

\(Time_{years}\) = Time ÷ (365.25 days/year × 24 hours/day × 3600 seconds/hour)

Performing these calculations will give us the time required to cover the Moon to a depth of 1.20 meters with micrometeorites.

To know more about micrometeorites:

https://brainly.com/question/10979949

#SPJ4

Answer:

c

Explanation:

Answer:

Option D. 9.47 V

Explanation:

We'll begin by calculating the equivalent resistance of the circuit. This can be obtained as follow:

Resistor 1 (R₁) = 20 Ω

Resistor 2 (R₂) = 30 Ω

Resistor 3 (R₃) = 45 Ω

Equivalent Resistance (R) =?

R = R₁ + R₂ + R₃ (series connections)

R = 20 + 30 + 45

R = 95 Ω

Next, we shall determine the current in the circuit. This can be obtained as follow:

Voltage (V) = 45 V

Equivalent Resistance (R) = 95 Ω

Current (I) =?

V = IR

45 = I × 95

Divide both side by 95

I = 45 / 95

I = 0.4737 A

Finally, we shall determine, the voltage across R₁. This can be obtained as follow:

NOTE: Since the resistors are in series connection, the same current will pass through them.

Current (I) = 0.4737 A

Resistor 1 (R₁) = 20 Ω

Voltage 1 (V₁) =?

V₁ = IR₁

V₁ = 0.4737 × 20

V₁ = 9.47 V

Therefore, the voltage across R₁ is 9.47 V.

Answer:

9.47

Explanation:

Just Took the Test

Answer:

ver explicacion

Explanation:

El sodio tiene configuración electrónica 2,8,1.

Esto implica que el sodio tiene solo un electrón en su capa más externa. Como tal, cuando ese electrón se pierde, el siguiente electrón debería perderse de una capa interna llena.

Se requiere mucha más energía para perder un electrón de una capa interna llena de la que se requiere para perder un electrón de la capa más externa.

Por lo tanto, existe una brecha muy grande entre la primera y la segunda energía de ionización del sodio porque se requiere una cantidad de energía mucho mayor para eliminar un electrón de una capa interna que de una capa más externa.

According to the question, the change in pressure for the jetstream is  14.54Pa.

The force applied perpendicularly to an object's surface expressed as a symbol (p or P) is the force divided by the area of the object's surface. The pressure when compared to the surrounding air pressure is known as gauge pressure. Pressure is expressed using a number of different units. The SI unit of pressure, the pascal (Pa), for instance, is equal to one newton per square meter (N/m²). Some of these measurements are the result of dividing a unit of force by a unit of area.

Explanation:

Given;

jet's diameter,d = 10⁻²m

temperature, t = 20°C

Surface tension acts only on the lines AB and CD.

Consider the equilibrium of forces;

∑F = 0

P₁-P₀ = 2σ/d

here surface tension σ = 0.0727 N/m

P₁-P₀ = 2×0.0727/10⁻²

        = 14.54 Pascal

Hence, the change in pressure of the jetstream is 14.54 Pascal.

To know more about pressure, visit:

https://brainly.com/question/4578923

#SPJ4