U-U hello good friends U-U

i need model examples for: gravity, magnetism, and static electricity.
plz.
one for each.

When communicating with Apollo astronauts, scientists on earth use radio waves and the "over to you" method of communication. This method must be used because of the delay in communication. This delay is due to the: distance of the moon and the speed of the electromagnetic waves

The oscillations between an electric field and a magnetic field produce electromagnetic waves, often known as EM waves. In other words, magnetic and electric fields oscillate to form electromagnetic waves. Since the electric and magnetic fields are oscillating, the energy waves are known as electromagnetic (EM) waves. They are categorized by scientists according to their frequency or wavelength, moving from high frequency to low frequency (short to long wavelength).

A magnetic core may make an electromagnetic coil's magnetic field several hundred times stronger than it would be without one. However, there are drawbacks to magnetic cores that need to be considered.

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Answer:

I would say tension force the last one because the gravitational force brinsg it down more.

Explanation:

Dont mind if its wrong im sorry

The mass of the basswood wing with the given dimension is 710.14 g.  Basswood is a low-density, light wood.

Basswood is a low-density, light wood that is mainly used for artistic work such as hand carving and creating musical instruments.

The mass can be calculated by the formula,

\(m = v \times d\)

Where,

\(m\)- mass

\(v\) - volume = 26.9 cm x 5.5 cm x 0.15 cm =  22.192 ml

\(d\) - density = 32 g/cm3

Put the values in the formula,

\(m\) = 22.192  x 32

\(m\) = 710.14 g

Therefore, the mass of the basswood wing with the given dimension is 710.14 g.

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The cable is attached to the pole at the same height as the point where it connects to the wall. This creates a completely horizontal force and results in a 0 N vertical force exerted by the wall.

To determine where the cable is attached when the new vertical force exerted by the wall is 0 N, follow these steps:

1. Understand the situation: The cable is attached to a pole and exerts a vertical force on the wall. If the vertical force becomes 0 N, it means that the force is now completely horizontal.

2. Analyze the forces: Since the vertical force is 0 N, the force exerted by the cable must be completely horizontal. This means that the cable is exerting a force parallel to the ground.

3. Determine the attachment point: To exert a completely horizontal force, the cable must be attached to the pole at the same height as the point where it connects to the wall. This ensures that the cable is parallel to the ground, and the vertical force exerted by the wall is 0 N.

In conclusion, the cable is attached to the pole at the same height as the point where it connects to the wall. This creates a completely horizontal force and results in a 0 N vertical force exerted by the wall.

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The answer was 0.33

Explanation: Edge 2021

'datboyjon' answered it before. THX♡

The acceleration of the car with two (2) washers added is equal to 0.33 \(m/s^2\).

Given the following data:

An acceleration can be defined as the rate of change of velocity of an object with respect to time and it is measured in meter per seconds square.

In Science, the average acceleration of an object is calculated by subtracting its initial velocity from the final velocity and dividing by the change in time for the given interval.

Mathematically, average acceleration is given by this formula:

\(a = \frac{V\;-\;U}{t_f-t_i}\)

Where:  

Substituting the given parameters into the formula, we have;

\(a = \frac{0.36\;-\;0.13}{2.61\;-\;1.92}\\\\a=\frac{0.23}{0.69}\)

a = 0.33 \(m/s^2\)

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The mass of the boy is approximately 6.08 kilograms, given the constant horizontal force of 169N and acceleration of 27.9 m/s² with a coefficient of friction of 0.3.

To determine the mass of the boy, we can use Newton's second law of motion, which states that the force acting on an object is equal to the product of its mass and acceleration. In this case, the force acting on the boy is the horizontal force of 169N, and the acceleration is given as 27.9 m/s².

We also need to consider the force of friction between the plane and the boy, which can be calculated using the coefficient of friction. The force of friction can be expressed as the product of the coefficient of friction and the normal force acting on the boy, where the normal force is equal to the weight of the boy.

Since the boy is pushed horizontally, the normal force is equal to the weight of the boy, which can be calculated using the equation: weight = mass * gravitational acceleration. The gravitational acceleration is approximately 9.8 m/s².

By equating the sum of the horizontal force and the force of friction to the mass of the boy multiplied by the acceleration, we can set up the following equation:

169N - (0.3 * weight) = mass * 27.9 m/s²

Substituting the expression for weight, we have:

169N - (0.3 * (mass * 9.8 m/s²)) = mass * 27.9 m/s²

Simplifying the equation, we can solve for the mass of the boy:

169N - 2.94N * mass = 27.9m/s² * mass

Rearranging the equation, we find:

mass = 169N / (27.9m/s² + 2.94N)

Calculating the value, we find that the mass of the boy is approximately 6.08 kilograms.

Therefore, the mass of the boy is approximately 6.08 kilograms.

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The image shows the correct way of lining up vectors to add them together, that the two arrows lined up one after the other, therefore the correct answer is option B.

The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.

Examples of vector quantities are displacement, velocity acceleration, force, etc.

Thus, the image shows the correct way of lining up vectors to add them together, that the two arrows lined up one after the other, therefore the correct answer is option B.

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Frequency and wavelength are inversely proportional to each other. The wave with the greatest frequency has the shortest wavelength. Twice the frequency means one-half the wavelength. For this reason, the wavelength ratio is the inverse of the frequency ratio.

Answer:

Acceleration would be \(1.96\) times the initial value.

Explanation:

The vehicle is in a centripetal motion as it rounds the circular curve. Acceleration of the vehicle during the motion would be:

\(\displaystyle a = \frac{v^{2}}{r}\),

Where:

In this question, \(r\) stays the same since the vehicle is rounding the same curve. Acceleration of the vehicle would be proportional to the square of velocity.

The new velocity of the vehicle is \((70 / 50)\) times the original one. Hence, the new acceleration would be \((70 / 50)^{2} = 1.96\) times the original value.

Answer: electrons

The part of an atom that has a negative charge are electrons. They float around the nucleus at a very fast speed. No one knows how quick they can travel. The answer is electrons.

Hope this helps you!

Answer:

Electrons

Explanation:

Electrons always have a negative charge.

Answer:

power= work done /time.

Answer:

W = Force  * distance

Power = W/ time

Explanation:

When replacing a heater core in a vehicle, it is important to recover the air-conditioning refrigerant if the air-conditioning system needs to be removed.

The heater core and air-conditioning components are separate but can be interconnected in some vehicles. If the heater core replacement requires the removal or disconnection of air-conditioning components, it is necessary to recover the refrigerant.
Recovering the refrigerant involves safely extracting it from the air-conditioning system and storing it properly. This process ensures the prevention of harmful refrigerant gases from being released into the atmosphere, as well as compliance with environmental regulations.
Refrigerants used in air-conditioning systems, such as hydrofluorocarbons (HFCs), can contribute to greenhouse gas emissions and environmental degradation if not handled properly. Recovering the refrigerant allows for its reuse or proper disposal, promoting environmental responsibility and sustainability.

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The answer is a. Because person A is closest to the speaker, so they will hear the loudest sound.

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Answer:A

Explanation:

A is correct

Answer:

Given that

speed u=4*10^6 m/s

electric field E=4*10^3 N/c

distance b/w the plates d=2 cm

basing on the concept of the electrostatices

now we find the acceleration b/w the plates  to find the horizontal distance traveled by the electron when it hits the plate.

acceleration a=qE/m=\(1.6*10^{-19}*4*10^3/9.1*10^{-31} =0.7*10^{15}\)=\(7*10^{14}\) m/s

now we find the horizontal distance traveled by electrons hit the plates

horizontal distance

\(X=u[2y/a]^{1/2}\)

=\(4*10^6[2*2*10^{-2}/7*10^{14}]^{1/2}\)

=\(3*10^{-2}\)= 3 cm

Ball will move 0.33 inches to the right due to Coriolis influence.

The Coriolis force, which operates on moving objects in a frame of reference that rotates relative to an inertial frame, is a hypothetical or inertial force in physics.  In a reference frame with clockwise rotation, the force acts to the left of the object's motion. The force acts to the right in an anticlockwise (or counterclockwise) reference frame. The Coriolis effect causes bending of objects.

The formula for calculating the Coriolis effect's quantity of deflection is as follows: omega=7.2921159 X 10-5/seconds; sin phi=0.529919264 V=15.23 m/s t=3 seconds, translating to 0.33 inches to the right.

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Answer:

b

Explanation:

Answer:

b

Explanation:

trust

The percent difference between these two measurements is 6.36%.

The resistance found by an experiment is equal to 236092 and 251092.                     The percent difference between the two resistance can be calculated by taking the difference between the two values, 251092 - 236092 = 15000, and then dividing by the original value, 236092, and multiplying by 100. The result is 6.36%, which is the percent difference between the two measurements.

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Answer:

I'm From Philippines

I hope we can be friends.

Answer:3

Explanation:

Answer:

I had this awhile ago if I'm not mistaking its A

Answer: Subtractive colors absorb OR subtract some lights causing it to reflect, and creating white.

Explanation:

Subtractive colors are created by completely or partially absorbing (or subtracting) some light wavelengths and reflecting others.

a) The maximum diameter of the nozzle is about 6.2 cm.

b) The larger nozzle, the water can only reach a height of about 4.28 m.

A) To find the maximum diameter of the nozzle, we can use the principle of conservation of energy. The potential energy of the water at the top of the building is equal to the work done by the water's weight and the work done by the water coming out of the nozzle. Let's assume the water comes out of the nozzle at a speed v:

\(mgh = (1/2)mv^2 + (1/2)ρAv^2\)

where m is the mass of water per unit time (equal to ρAv), h is the height of the building, ρ is the density of water, g is the acceleration due to gravity, and A is the cross-sectional area of the nozzle.

Solving for A, we get:

A = 2(mgh)/(\(ρv^2\))

Substituting the given values, we get:

A = 2(0.500 kg/s)(9.81 \(m/s^2\))(28.0 m)/(1000 \(kg/m^3)(v^2\))

Simplifying, we get:

A =\(0.548/v^2\)

The area of a round nozzle is given by A = (π/4)d^2, where d is the diameter. Substituting this expression for A in the previous equation, we get:

\(d = (2A/π)^0.5 = (1.096/πv^2)^0.5\)

Substituting the given values, we get:

\(d = (1.096/π(0.500 m^3/s)/(2.16x10^-4 m^2/s^2))^0.5\)

Simplifying, we get:

d ≈ 0.062 m or 6.2 cm

Therefore, the maximum diameter of the nozzle is about 6.2 cm.

B) If the diameter of the nozzle is doubled, the area of the nozzle is quadrupled, which means the speed of the water coming out of the nozzle is halved. Using the same principle of conservation of energy as before, we can find the maximum height the water can reach:

\(mgh = (1/2)mv^2 + (1/2)ρAv^2\)

where A is now four times larger than before, but v is half the previous value. Solving for h, we get:

\(h = (v^2/2g)(3ρA/4ρg - 1)\)

Substituting the given values, we get:

\(h ≈ (0.125/9.81 m/s^2)(3(4/π)(0.500 kg/s)/(1000 kg/m^3) - 1)\)

Simplifying, we get:

h ≈ 4.28 m

Therefore, with the larger nozzle, the water can only reach a height of about 4.28 m.

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Answer:

that one i know only pe not that sorry again

The mystery element on the periodic table that have melting point of 725.05c , that is malleable, good conductor of heat is Barium.

Periodic table is the table that shows the classification of elements into groups and periods which classify them base on their unique and comon characteristics within each group.

Therefore, The mystery element on the periodic table that have melting point of 725.05c , that is malleable, good conductor of heat is Barium.

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Answer:

The difference in distance from the speakers is 5.2 - 3.5 = 1.7 m

The listener would be 1/2 wavelength out of phase with the speakers

1/2 y = 1.7 m    where y is the wavelength

y = 3.4 m       the required wavelength

f = v / y = 340 m/s / 3.4 m = 100 / sec     lowest frequency  

Answer:

100.8

Explanation:

Trust :)

Answer:

Explanation:

Comment

You have to read this carefully enough that you don't mix up energy and forces.

Gravity is a force. If you don't believe me try jumping off a building. Which way are you going to go and why? Down because gravity attracts your mass.

So Magnetism must be a force as well. It acts in one direction, but not a specific one the way gravity acts). It also either attracts or repulses (pushes an object away)

Answer A

Answer:

A valence number of 1 means that an alement will generally react to lose one electron to obtain a full outer shell.

Group two elements are assigned a valence number of 2. A valence number 2 means that a group two elements will generally react to lose two electrons to obtain a full outer shell.

Explanation:

Hope it helps

The resulting positive amplitude of the two waves after the superimposition is 4.30 cm.

The amplitude of the waves is the maximum displacement of the wave. This is the vertical position of the wave measured from the zero origin.

After the superimposition of the two similar waves, the resulting amplitude will be less than the initial amplitude of the wave with the highest vertical height since the superimposition creates destructive interference.

Resulting amplitude of the two waves is calculated as;

A = 5.4 cm - 1.10 cm

A = 4.30 cm

Thus, the resulting positive amplitude of the two waves after the superimposition is 4.30 cm.

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A compass needle is typically made of a lightweight material, such as aluminum or steel, and is magnetized to create a north-seeking pole.

It is often balanced on a pivot point to allow for free movement and accuracy in direction-finding.

The needle may also be housed within a protective casing or dial, which may include markings or indicators to aid in navigation. Overall, a compass needle consists of a magnetized needle suspended on a pivot point within a casing or dial.

The earth actually acts as a very large magnet due to the magnetic field produced by its iron core, and the compass needle itself is a tiny magnet with two magnetic poles.

The magnetic north pole of the Earth is located close to its geographic north, and the magnetic south pole is located close to its geographic south. The magnetic north pole of the Earth is located close to its geographic north, and the magnetic south pole is located close to its geographic south.

The compass needle will always line up with the north-south direction when given free rein to spin in any direction. In order for the compass needle to be "boxed" in the orienting arrow, turn the map and compass together.

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Angle, the velocity of the electron made with the magnetic field is 9.59° and 350.41°.

A magnetic field is a vector discipline that describes the magnetic effect on transferring electric costs, electric-powered currents, and magnetic materials. A shifting price in a magnetic subject reports a force perpendicular to its very own pace and to the magnetic area.

Calculation:-

F =qvB sin x

X is the angle between the strength of the magnetic field and the velocity of the charge.

q = 1.609×10^-19 C

v = 4×10³ m/s

B = 1.25 T

F = 1.40×10^-16 N

By substituting the parameters, we have that

1.40×10^-16 = 1.609×10^-19 × 4×10³ × 1.25 × sinx

sin x = 1.40×10^-16/ 1.609×10^-19 × 4×10³ × 1.25

sin x = 1.40×10^-16 /8.045*10^(-16)

sin x = 0.1666

x = 9.59°

A magnetic field is a vector field that describes the magnetic effect on moving electric-powered expenses, electric-powered currents, and magnetic materials. A transferring rate in a magnetic discipline story a force perpendicular to its personal velocity and to the magnetic discipline.

The magnetic subject is the area around a magnet in which the impact of magnetism is felt. We use the magnetic field as a device to explain how the magnetic force is distributed inside the space around and within something magnetic in nature.

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