what is the rectifier mean output voltage as a function of the signal generator peak voltage?

Given:

The mass of the ball is

The initial height of the ball is

The initial speed of the ball is

To find:

the impact speed of the ball when it strikes the ground

Explanation:

The initial potential energy of the ball is

The initial kinetic energy is

The final energy of the ball is fully kinetic energy. Let the final impact speed of the ball is

We can write, using the energy conservation principle that

Hence, the final impact speed of the ball is 46.1 m/s.

Answer:

The theory is supported by all the available observations and data.

Explanation: The scientific community will accept a theory when a sufficient body of evidence supports it. This includes experiments that refute other potential theories. Experiments should also be carried out that attempt to disprove the theory but cannot.

It should not matter who proposed the theory or who supports it, and instead should entirely be based on the quality and abundance of data supporting it.

Hope this helps!

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Any specific theory is accepted by research experiments, observations, and data supporting the theory.

So a proposed scientific theory is acceptable only by cross-examinations performed on it through research and experiments, and evident observations.

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Answer: Hello! An objects speed is constant and has the units meters per second (m/s); thus, it does not change overtime. Acceleration is a rate of change where the speed does either increase or decrease overtime from its inital value; its units are meters per second second (m/s/s). I hope that helps!

A neutron star forms when a supergiant explodes. Supergiant stars have the highest mass and luminosity of all-stars in the galaxy.

When a supergiant star runs out of fuel, it will explode as a supernova owing to the loss of a large mass.

When this occurs, other stars in the galaxy will shine and eventually fade away, leaving a black hole or a neutral star in its place.

Hence neutron star forms when a supergiant explodes.

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Answer: D. a neutron star

Explanation: On Edge!!

Answer:

B

Explanation:

The question does not specify any outside forces that could slow down the ball horizontally. There fore the ball does not accelerate or decelerate horizontally. Therefore,  a = 0m/s2

The formula for the covalent compound dichlorine Heptoxite is CL2O6.

Name the first element first then name the second element using the element name stem and the ide suffix. If there are multiple atoms of the first element use the numeric prefix. Always use a numeric prefix for the atomic number of the second element. Dichloroheptoxide is a compound of a clear oily liquid. It is a strong oxidizing agent.

The hardness of a diamond can be read from its crystal structure. Each carbon atom is bound to four other carbon atoms by covalent bonds in a regular tetrahedral structure. Each of these bonded carbon atoms is then further bonded to three other carbon atoms. In the semiconductor industry, chlorine trifluoride is used to clean chemical vapor deposition chambers. Advantageously the semiconductor material can be removed from the chamber walls without the need to dismantle the chamber.

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Answer:

Gina should put “rubber tires” under “Synthetic.”

Gina should put “starch” under “Natural.”

Explanation:

Answer:

C) Gina should put rubber tires under “Synthetic.”

D) Gina should put starch under “Natural.”

Explanation:

I'm late :(

Answer:

Earth's magnetic field aligns the magnet in the compass with its north pole. A second method is to observe the night sky in the polar regions. Northern and Southern Lights are produced by the interaction of the Earth's magnetic field with solar radiation.

Hope this helps!!!

The correct statement about speed limits in North Carolina is: both A and B.

In North Carolina, unless otherwise posted, the speed limit inside a city is 35 mph (statement A), and the speed limit for a school activity bus is 25 mph (statement B). Therefore, both statements A and B are correct. In North Carolina, the default speed limit for urban areas, unless otherwise indicated by posted signs, is 35 mph. This helps ensure safe driving in city environments where there are more pedestrians, intersections, and potential hazards. Similarly, the speed limit for school activity buses, unless otherwise posted, is set at 25 mph to prioritize the safety of students and accommodate the slower speed needed for frequent stops and potential loading/unloading situations. Overall, both statements A and B accurately describe the speed limits in North Carolina, indicating that the speed inside a city is 35 mph and the speed limit for a school activity bus is 25 mph.

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Dark matter universe would have the only explanation for the structures of the early universe.

Dark matter does not interact with the electromagnetic force like normal matter does. This makes it incredibly difficult to identify because it does not absorb, reflect, or emit light. In reality, scientists have been able to conclude that dark matter exists primarily based on the gravitational pull it appears to have on visible stuff.

Massive gas clouds that collapse and rotate are the starting point for galaxies. Stars develop within them as they develop. The collision of entire galaxies can alter their appearance. When we look far into space, we can observe galaxies at early stages of their evolution.

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A change in temperature frequently causes substances to change phases. Most substances are solid at low temperatures; as the temperature rises, they become liquid; and at still greater temperatures, they become gaseous.

Melting is the conversion of a solid into a liquid (an older term that you may see sometimes is fusion). Solidification is the process where a liquid turns into a solid. The melting point, or the temperature at which a pure substance begins to melt, is a property of that substance. A solid must expend energy to become a liquid. A specific quantity of energy is required by every pure substance in order to transform from a solid to a liquid. This amount is known as the substance's enthalpy of fusion (or heat of fusion).

The complete question is- The diagram shows how states of matter can change when energy is either added or removed.

System before change

System after change

00000

00000

00000

00000

00000

00000

00000

All of these statements below are true EXCEPT

Energy was added to the matter causing the particle movement to increase.

The matter changed states which is a physical change.

The particles in the matter before the change had more energy than after the change.

The particles in the matter before the change had less energy than after the change.

the diagram is attached below.

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6.75*10^8 is the mass of each of them.

The amount of matter in a thing is measured by its mass. Ordinarily, mass is expressed in grams (g) or kilograms (kg). No matter where in the cosmos it is or what gravitational force is acting on it, mass measures the amount of matter.

Although we frequently interchange the terms "mass" and "weight," they have very different meanings. No matter where you are in the cosmos, you have the same mass; but, different locations have different weights.

m1 = m2 =m

Fg = G m1m2 / r^2 = G m^2 / r^2 = ma

G m^2 / mr^2 = a

m = ar^2 / G = (0.020) (1.50)^2 / 6.67* 10^-11

=> 6.75*10^8

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Electric current rises when voltage rises because the two quantities in a conductor are directly related.

According to Ohm's law, the resistance (R) in a circuit has an inverse relationship to the electrical current (I), which is proportional to the voltage (V). Consequently, if the voltage is raised, the current will rise as long as the circuit's resistance remains constant.

For a simple understanding, assume, voltage, in essence, exerts "electric pressure" on the charges. The "pressure" that drives them increases with voltage, so it makes sense that their speed—what we refer to as current—increases as well.

How much current flows depends on the battery's voltage, or the difference in electric potential.

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Complete question - Why does the current increase when the voltage increases?

Answer:

Radio waves

Explanation:

When there is a temperature difference/Gradient, heat flows from a region of high concentration to region of low concentration.

Thermal energy flow from region of higher temperature gradient to region of low temperature gradient till equilibrium is reached.

When the hot metal is places in a cold water bath, there will be a temperature difference and by conduction(water conducts heat) the heat will travel in the water medium and circulate till equilibrium

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Answer:

6.4

Explanation:

trust

When the ball returns to his hands 0.6 seconds later, Low speeds have very little air friction. Youngster playing catch with himself while wearing a large baseball cap.

What is an object's speed?

The speed by which an object moves a distance could be thought of just like its speed. A slow-moving object travels a relatively short distance in a given length of time, whereas a fast-moving object travels a big distance in a short amount of time.

What does speed look like mathematically?

Speed is mathematically represented as follows: Distance dimension formula: M0L1T0 Time has the following dimensions: M 0 H 0 T 1. By dividing the dimensional formulas for time and distance, we arrive to the following result:

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The ratio of the initial kinetic energy to the final kinetic energy of the two-box system is 1/2.

To find the ratio of the initial (Ki) to the final (Kf) kinetic energies of the two-box system, we need to consider the principle of conservation of linear momentum.

The principle of conservation of linear momentum states that the total momentum of an isolated system remains constant before and after a collision. In this case, the initial momentum of the system is given by the sum of the momenta of the two boxes.

The momentum (p) of an object is calculated by multiplying its mass (m) by its velocity (v):

p = m * v

Initially, the first box has a momentum of m * v, and the second box has zero momentum as it is at rest. After the collision, the two boxes stick together, so they move with the same final velocity (vf).

The total momentum after the collision is the sum of the individual momenta of the two boxes, which is equal to the mass of the combined system (2m) multiplied by the final velocity (vf):

p_final = (2m) * vf

Since momentum is conserved, we have:

p_initial = p_final

m * v = (2m) * vf

Dividing both sides of the equation by 2m, we find:

v = vf

This means that the final velocity (vf) is equal to the initial velocity (v).

The kinetic energy (K) of an object is calculated using the formula:

K = (1/2) * m * v^2

Therefore, the ratio of the initial kinetic energy (Ki) to the final kinetic energy (Kf) is:

Ki / Kf = (1/2) * m * v^2 / (1/2) * 2m * v^2

        = (1/2) * m * v^2 / m * v^2

        = (1/2) / 1

        = 1/2

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Answer:

1. b

2. e

3. a

4. c

5. d

hope dis helps ^-^

If the two charged bodies are moved so that they are one-third as far apart, the force between them will increase to 4.905 N.

The force between two charged bodies is inversely proportional to the square of the distance between them. This means that if the distance between the two bodies is reduced to one-third of its initial value, the force between them will increase by a factor of (3)² = 9.

To calculate the new force, we can use the formula F = k(q₁q₂/r₁²), where F is the force between the two bodies, k is the Coulomb constant, q₁ and q₂ are the charges on the two bodies, and r is the distance between them.

Let F₁ be the initial force between the two bodies, and let r₁ be the initial distance between them. We can use the formula F₁ = k(q₁q₂/r₁²) to find the initial force.

F1 = k(q₁q₂/r₁²) = 0.545 N

Now, let r₂ be the new distance between the two bodies, which is one-third of r₁. The new force, F₂, can be calculated using the same formula.

F₂ = k(q₁q₂/r₂²) = k(q₁q₂/(r₁/3)²) = k(q₁q₂/(1/9*r₁²)) = 9k(q₁q₂/r₁²)

So, we have F₂ = 9F₁ = 9(0.545 N) = 4.905 N.

Therefore, if the two charged bodies are moved so that they are one-third as far apart, the force between them will increase to 4.905 N.

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Wo charged bodies exert a force of 0.545 n on each other. The new force exerted on each other when the bodies are moved one-third as far apart is 4.905 N.

The force between two charged bodies is given by Coulomb's law, which states that the force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

F = k * (|q1| * |q2|) / \(r^{2}\),

Where F is the force, k is the electrostatic constant (9 x \(10^{9}\) N m²/C²), |q1| and |q2| are the magnitudes of the charges on the bodies, and r is the distance between them.

Given that the initial force is 0.545 N, let's call the initial distance between the bodies as r1. We want to find the force when they are moved one-third of the initial distance, so the new distance is r2 = r1/3.

Using Coulomb's law, we have:

F1 = k * (|q1| * |q2|) / \(r1^{2}\)   (Equation 1)

F2 = k * (|q1| * |q2|) / \(r2^{2}\)   (Equation 2)

To find the force F2, we need to express it in terms of F1. We can rewrite Equation 2 as:

F2 = k * (|q1| * |q2|) / \((r1/3)^{2}\)

= 9 * (k * (|q1| * |q2|)) / \(r1^{2}\)

= 9 * F1.

Therefore, when the bodies are moved one-third as far apart, the new force exerted on each other is nine times the initial force.

Substituting the initial force value:

F2 = 9 * 0.545 N

= 4.905 N.

Thus, the new force exerted on each other when the bodies are moved one-third as far apart is 4.905 N.

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In order to calculate the rocket velocity, we can use the momentum formula below:

Where m is the mass and v is the velocity.

So, for p = 21 * 10^7 kg*m/s and m = 28,000 kg, we have:

Therefore the rocket velocity is 750 m/s.

(answer already in 2 significant figures)

1 - Incident ray

2 - Refracted ray

3 - Angle of incidence

4 - Angle of refraction

Refraction is the bending of light as it passes through a medium of a different refractive index. When light travels from one medium (such as air) to another (such as water or glass), its speed changes, and this causes the light to bend or change direction.

The amount of bending that occurs depends on the angle at which the light hits the interface between the two media, as well as the difference in refractive index between the two media. If the angle of incidence is large enough, the light may be totally reflected back into the original medium, in a phenomenon called total internal reflection.

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According to the given statement Therefore, as the wavelength of a wave decreased, its frequency increased.

The colour of light is defined by its wavelength, and the frequency of sound is controlled by its wavelength. The visual spectrum of light has wavelengths between about 700 nm (red) to 400 nm (violet). The span of acoustic signal frequencies is roughly 17 mm to 17 m.

By measuring the distance between any two identical locations on adjacent waves, the wavelength can always be found. When determining the wavelength of a longitudinal wave, the distance from one compression to the next or from one rarefaction to the next is measured.

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Answer:

4 ohms

Explanation:

Use Ohm's Law: V = IR

V = 3.0 V

I = 0.75 A

Plug thise values into the equation:

3.0 V = (0.75 A) R

---> R = 4 ohms

The resistance of the bulb when a current of 0.75 is passed when connected to 3.0 V battery is 4 ohms.

Resistance is the opposition to the flow of current through it.

Given is the current passing through the bulb is 0.75 Amperes and the voltage of the battery is 3.0 V, then according to the ohm's law,

V = IR

where R is the resistance of the bulb

3.0 V= 0.75 A× R

R = 4 Ω

The resistance of the bulb is 4 Ω.

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a) The force diagram of the block and all the forces are in the image attached.

(b) The weight of the block and its parallel component is  98.1 N and 33.55 N respectively.

(c) The applied force on the block is 52.75 N

(a) The force diagram of the block include, the parallel and pedicular component, as well as friction force.

(b) The weight of the block and its parallel component is calculated as;

Fg = mg

where;

Fg = 10 kg x 9.81 m/s²

Fg = 98.1 N

Fgₓ = mgsinθ

Fgₓ = 98.1 N x sin(20)

Fgₓ = 33.55 N

(c) The applied force on the block is calculated as follows;

F - Fgₓ - μFgcosθ = ma

where;

μ = a/g

μ = 1 / 9.81 = 0.1

F - 33.55 - 0.1(98.1 x cos20) = 10 x 1

F - 33.55 - 9.2 = 10

F = 10 + 33.55 + 9.2

F = 52.75 N

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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:

4g

I hope it will be useful.

Explanation:

KE = (1/2)*m*v^2

Answer:

Below

Explanation:

FIND TOTAL NORTH DISPLACEMENT

   40 sin 35     + 50       + 10 sin 20   = 76.363 mi

FIND TOTAL E-W DISPLACEMENT  

  40 cos 35        -   10 cos 20 = 23.369 mi

Total resultant displacement ( using pythag theorem)

   sqrt ( 76.363^2 + 23.369^2 ) = 79.86  mi

    angle = arctan ( 79.23 / 23.37) = 73 °  North of East

Among the options given in the question, the magnetic screwdriver would not help protect equipment from electro-static discharge (ESD).

Electro-static discharge (ESD) is an electrical energy transfer between two charged surfaces. ESD is the fast release of energy between two objects at different electrical potentials. A mild form of electrostatic discharge may go unnoticed, but in severe cases, it can harm electronic equipment.

A magnetic screwdriver is a screwdriver that has a magnetized tip that aids in holding screws securely during insertion or removal. It also prevents the screws from falling off while being inserted into the hole.

In conclusion, among the options given in the question, the magnetic screwdriver would not help protect equipment from electro-static discharge (ESD).

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