which of the following is the greatest component (by weight) of municipal solid waste is A.Paper B. Yard trimmings C. Plastics D. option A and C

Answer:

connect two 9 ohms resistance in series now it becomes 18 ohm

The shape of the output voltage would change if the 1k resistor is changed to a 10k resistor. The output voltage would have a higher amplitude.

If the 1k resistor is changed to a 10k resistor, the output voltage of the circuit would have a higher amplitude. The reason for this is that the voltage divider, created by the 10k resistor and the 10k resistor between the output and ground, would produce a higher output voltage.

The 10k resistor would reduce the amount of current that flows through it, resulting in a higher voltage drop across the 10k resistor between the output and the 10k resistor. This means that the output voltage would have a higher amplitude.

Summary: Changing the 1k resistor to a 10k resistor would increase the output voltage amplitude due to the voltage divider created by the two 10k resistors.

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Answer:

The organization of electrons in atoms explains not only the shape of the periodic table but also the fact that elements in the same column of the periodic table have similar chemistry. The same concept applies to the other columns of the periodic table.

The distance the blind is pulled when 14 J of work are done is approximately 0.9333 meters.

To remove your blind casting from the bracket, push and lift it up against the pin on the opposite side. Turn this in the other direction until you hear the plastic wheel click, and then carefully remove the blind from the bracket.

\(W = F * d\)

d = W / F

Substituting the given values, we get:

d = 14 J / 15 N

Simplifying this expression, we get:

d = 0.9333 meters

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All electrons have energy stored in them which is potential energy.

Pressure increases the electron's kinetic energy causing it to move faster and eventually jump to a wider orbit. Each electron then stores energy, which becomes potential energy. Kinetic energy can be converted into other forms of energy and vice versa. For example, kinetic energy is converted into electrical energy by a generator or into thermal energy by a car's brakes.

Energy is not destroyed or lost in the transition from potential energy to kinetic energy. It just converts from one type of energy to another type of energy. This is known as the law of conservation of energy. When a person rides a bicycle to the top of a hill, the kinetic energy of movement is converted into potential energy and stored in the bicycle at the top of the hill. The potential energy stored in the bike at the top of the hill can be used to roll the bike down the hill.

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From the that astronomers categorize galaxies into a handful of basic shapes, it can be concluded that the all galaxies are made from the same forces.

Astronomers have categorized galaxies into three main categories,

Elliptical Galaxies:

These galaxies have smooth ellipsoidal shape. They are most abundant type. For example- Messier 49

Spiral galaxies:

These galaxies have a spiral shapes with many hand like structures. For example- Milky way.

Irregular Galaxies:

They do not have any specific shape.

Therefore, from the that astronomers categorize galaxies into a handful of basic shapes, it can be concluded that the all galaxies are made from the same forces.

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The vertical force exerted by the tower on the pin at A is 924 lb by understanding the principles of tension and equilibrium is essential in engineering and designing transmission towers.

The tension in the wire AB, which is 924 lb, is equal to the vertical force exerted by the tower on the pin at A. This is because in a state of equilibrium, the sum of all vertical forces acting on the tower must be balanced. The tension in the wire AB provides the vertical support necessary to counteract the tower's weight and maintain equilibrium.

In this scenario, the tower is held by three guy wires, with AB being one of them. The tension in AB is the only vertical force acting on the pin at A since the other guy wires (BC and BD) are anchored by bolts at points B, C, and D respectively. The tension in the wire BC and BD will have horizontal components that cancel each other out, resulting in no net vertical force on the pin at A.

Therefore, the tension in AB, which is 924 lb, is the vertical force exerted by the tower on the pin at A.

In a system of guy wires supporting a tower, the tension in each wire plays a crucial role in maintaining stability and equilibrium. By distributing the forces properly, the tower can withstand external loads and remain structurally sound.

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Answer:

\(125\:\mathrm{minutes\: or\: }2.08\bar{3}\: \mathrm{hours}\)

Explanation:

Speed is given by \(s=\frac{d}{t}\), where \(d\) is distance travelled and \(t\) is time. Rearranging this equation, we have \(t=\frac{d}{s}\).

Plugging in our given information:

\(t=\frac{d}{s}=\frac{1500\:\mathrm{km}}{720\:\mathrm{km/h}}=2.08\bar{3}\: \mathrm{hours}\)

Thus, our answer is:

\(2.08\bar{3}\: \mathrm{hours}\cdot \frac{60\:\mathrm{minutes}}{1\:\mathrm{hour}}=\fbox{$125\:\mathrm{minutes}$}\)

Answer:

Mass is a measure of how much force it will take to change that path. ... Weight, on the other hand, is a measure of the amount of downwards force that gravity exerts on an object. This force increases with the object's mass: the more inertia it has, the harder gravity pulls.

Explanation:

Answer:

D. X-rays

Explanation:

the other ones could either damage your tissue or they're not used to "scan" organisms

Answer:

parallel combination of cell

The velocity of the electron is 2.2x10^3 m/s north. This is calculated by dividing the momentum (2.000x10^-27 kg m/s) by the mass (9.109x10^-31 kg) of the electron.

The momentum of an object is given by the product of its mass and velocity. In this case, the momentum is provided (2.000x10^-27 kg m/s) and the mass of the electron is given (9.109x10^-31 kg). By dividing the momentum by the mass, we can find the velocity. Thus, 2.000x10^-27 kg m/s divided by 9.109x10^-31 kg equals approximately 2.2x10^3 m/s north, which is the velocity of the electron.The velocity of the electron is 2.2x10^3 m/s north. This is calculated by dividing the momentum (2.000x10^-27 kg m/s) by the mass (9.109x10^-31 kg) of the electron.

The momentum of an object is given by the product of its mass and velocity. In this case, the momentum is provided (2.000x10^-27 kg m/s) and the mass of the bis given (9.109x10^-31 kg). By dividing the momentum by the mass, we can find the velocity.

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Answer:

It should be 1,029.105 m³

But I think you can ignore the 105 because it essentially doesn't make a difference

The total time, in minutes, of a car that traveled 60km at a speed of 20km/hr is 3 hours.

Average speed is the rate of motion or action or specifically the magnitude of the velocity.

The average speed of a body can be calculated by dividing the distance moved by the time taken as follows:

Average speed = Distance/time

According to this question, a car traveled 60 km at a speed of 20 km/hr. The time taken can be calculated as follows:

Time = 60km ÷ 20km/hr

Time = 3hr

Therefore, the total time, in minutes, of a car that traveled 60km at a speed of 20km/hr is 3 hours.

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Answer: D. Potential energy

Explanation: science

When air moves from an area of high pressure to an area of low pressure, it follows a curved path due to the Earth's rotation and the Coriolis effect. The Coriolis effect causes air to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This means that the path of air moving from high to low pressure will be curved as it follows the direction of the prevailing winds. However, the exact path that air takes can be influenced by other factors such as local topography, temperature gradients, and the presence of weather systems.

The Coriolis effect is the force on the earth's rotation that deflects the direction of ocean currents. The current deflection to the right occurs at the north pole while the current deflection to the left occurs at the south pole.

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Answer:

Friction (traction) is the resistance between things. There's friction between your shoes and the ground. Without enough friction, you can slip and fall.

When you push a heavy box, it pushes back at you with an equal and opposite force (Third Law) so that the harder the force of your action, the greater the force of reaction until you apply a force great enough to cause the box to begin sliding.

When a person trips over a heavy box and falls to the floor, it's due to a combination of factors related to the laws of physics. Here's what happens:

1. Inertia: Every object tends to remain at rest or in uniform motion unless acted upon by an external force. This is Newton's first law of motion. When you're walking and suddenly trip over a heavy box, your body's forward motion is abruptly interrupted by the box. Your lower body and legs might still have forward momentum, causing you to stumble or fall.

2. Force of Gravity:The heavy box you trip over exerts a force of gravity on your body. When you collide with the box, this force pulls you downward, accelerating your fall towards the ground.

3. Friction and Contact Forces: When you trip over the box, there are contact forces and frictional forces involved. Your foot might get caught on the box, and the friction between your foot and the surface of the box can cause your body to tilt forward. As a result, you lose your balance.

4. Center of Mass: Your body's center of mass is the point around which your weight is evenly distributed. When you trip and lose your balance, your center of mass might shift outside your base of support (your feet), causing you to tip over and fall.

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The statement best describes the difference between a substance with a pH of 3.0 and a substance with a pH of 6.0 is - The substance with the lower pH has 1,000 times as many hydrogen ions per volume of water.

pH is the scale or measure for the substance about its acidic or basic strength. It ranges from 0 to 6.9 which is acidic and 7.1 to 14 which is basic.

Acidic substance has high concentration of Hydrogen ions whereas, basic substance has low concentration of hydrogen ions, however for the OH⁻ ions it is reverse.

pH = -log(\(H^{+}\)) then,  

=> 3 = -log (\(H^{+}\))

=> \(H^{+}\) =  (for pH = 3)  

=> pH = -log(\(H^{+}\))

=> 6 = -log (\(H^{+}\))

=> \(H^{+}\) = \(10^{-6}\) (for pH = 6)

 Thus, The substance with the lower pH (3) has 1000 times as many hydrogen ions per volume of water.

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a)The aperture size of the radio telescope needs to be approximately 0.27 meters b)The aperture of a radio telescope needs to be much larger than that of an optical telescope because radio waves have much longer wavelengths compared to visible light. c)the resolving power of a telescope depends on the ratio of the wavelength of light.

a. To determine the aperture size of a radio telescope to achieve a resolution at 21 cm, we can use the Rayleigh criterion, which states that the minimum resolvable separation (δθ) is given by:

δθ = 1.22 * (λ / D)

Where λ is the wavelength of the radiation and D is the diameter of the telescope's aperture.

Given that the radio wavelength is 21 cm (or 0.21 m), and we want to achieve the same resolution as the optical telescope (1 second of arc), we can rearrange the formula to solve for D:

D = 1.22 * (λ / δθ)

D = 1.22 * (0.21 m / 1 second of arc)

Calculating the result:

D ≈ 0.27 m

Therefore, the aperture size of the radio telescope needs to be approximately 0.27 meters to achieve a resolution of 1 second of arc at a wavelength of 21 cm.

b. The Rayleigh criterion tells us that the resolution of an instrument is inversely proportional to the wavelength.

Since radio waves have longer wavelengths, the telescope's aperture needs to be larger to achieve the same resolution as an optical telescope. This is because a larger aperture collects more incoming waves and allows for finer spatial detail to be resolved.

c. The ability to resolve two objects using a telescope depends on the size of the aperture relative to the wavelength of the radiation. When it comes to resolving stars, the resolving power of a telescope depends on the ratio of the wavelength of light to the size of the telescope's aperture (λ/D).

Blue light has a shorter wavelength compared to red light. Since the resolving power is directly proportional to the wavelength, a shorter wavelength of blue light allows for better resolution.

Therefore, two predominantly blue stars can be resolved because their shorter wavelength allows for finer detail to be distinguished, while the same separation between two predominantly red stars cannot be resolved due to the longer wavelength.

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A 9.3 kilogram block is perched on an incline that slopes downward at a 27° angle from the horizontal. There is no resistance between the block and the incline for the first question. once there

What does the word "resistance" mean?

The obstruction to the flow of current through an electrical circuit is measured by resistance. A Greek letter omega () represents the unit of measurement for resistance, known as ohms. Georg Simon Ohm (1784–1854), a German physicist that investigated the connection between voltage, current, and resistance, is the name given to the unit of resistance.

What is a circuit's electrical resistance?

The relationship between both the voltage applied and the current flowing thru a circuit determines its electrical resistance. Ohms is the symbol for electrical resistance. Some materials permit the flow of electric charge more easily than others. The electrical resistance gauges how much the circuit restricts the flow of this electrical charges.

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The characteristics of the image are  virtual, upright, and magnified.

When an object is placed between 2f  and f  ( 2f > x₀ > f) of a concave lens, the resulting image formed will be virtual, upright, and magnified.

From the given position of the object which is described the by the equation given, we can explain it as follows;

2f > x₀ > f

where;

From the ray diagram, the object is thick in colour meaning it is real, the image formed is faint in colour meaning it is virtual.

Also the height of the image formed is longer than that of the object meaning the image is magnified.

Finally, the image formed is upright while the object is inverted downwards.

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Answer:

Average speed = 13.5 m/s

Explanation:

Since the car is running at a speed of 27 m/s  and it stops after 3 seconds by applying the brake. Therefore, the initial speed of the 27 m/s and final speed is 0.

Use below formula to find the average speed :

Average speed = (Initial speed + final speed ) / 2  

Average speed = (27 + 0 ) / 2

Average speed = 13.5 m/s

The Mid-Atlantic Ridge spreads about 2-5 centimeters per year whereas the East Pacific Rise spreads about 6-16 centimeters every year.

According to the research, the East Pacific Rise is spreading faster than the Mid-Atlantic Ridge. The wide of red and orange parallel to the East Pacific Rise indicates that a large area of oceanic rocks is new and young. The Mid-Atlantic Ridge is a slow-spreading center. It spreads 2-5 centimeters every year and forms an ocean trench while on the other hand, the East Pacific Rise spreads faster because the East Pacific Rise spreads about 6-16 centimeters every year which is higher than the Mid-Atlantic Ridge.

So we can conclude that the East Pacific Rise is spreading faster as compared to the Mid-Atlantic Ridge.

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Answer:

9 m/s

Explanation:

speed = distance ÷ time

27÷3

=9

Answer: 8000N

Explanation: since it is frictionless that means it has 100% efficiency therefore the mechanical advantage is 1 meaning the load equals to the effort

Answer:

3.5 Hours

Explanation:

I believe all that has to be done is dividing 84 by 24, which results in 3.5, or 3 and a 1/2 hours.

The average velocity of the puck during the 5.90 s interval can be calculated as the average of the initial velocity and the final velocity:

Thus the velocity will be,

v_avg = (v_initial + v_final) / 2

= (12.8 + 7.5) / 2

= 10.15 m/s

The distance traveled by the puck during this interval can be calculated as:

d = v_avg * t = 10.15 * 5.90 = 59.87 m

This is the distance traveled by the puck in a straight line assuming that it does not experience any forces other than gravity.

However, since the acceleration of gravity is 9.81 m/s^2,

the puck will experience a downward acceleration due to gravity, causing its path to be a parabolic arc.

The exact distance traveled by the puck will depend on the exact path it takes, which is beyond the scope of the information provided.

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(a) It takes approximately 8.3 minutes for a photon to travel from the Sun to the Earth.

(b) A photon with a wavelength of 513 nm has an energy of approximately 2.42 eV.

(c) A photon with an energy of 1.58 eV has a wavelength of approximately 7.83 × 10^-7 meters.

(a) Calculation of the time it takes a photon to travel from the Sun to the Earth:

The average distance from the Sun to the Earth is approximately 93 million miles or 150 million kilometers. Convert this distance to meters by multiplying it by 1,000, as there are 1,000 meters in a kilometer. So, the distance is 150,000,000,000 meters.

The speed of light in a vacuum is approximately 299,792 kilometers per second or 299,792,458 meters per second. To find the time it takes for a photon to travel from the Sun to the Earth, divide the distance by the speed of light:

Time = Distance / Speed of Light

Time = 150,000,000,000 meters / 299,792,458 meters per second

This gives  approximately 499.004 seconds. To convert this to minutes, we divide by 60:

Time in minutes = 499.004 seconds / 60 = 8.3167 minutes

Therefore, it takes approximately 8.3 minutes for a photon to travel from the Sun to the Earth.

(b) Calculation of the energy of a photon with a wavelength of 513 nm:

The energy of a photon can be calculated using the equation E = hc/λ, where E is the energy, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon.

Planck's constant (h) is approximately 4.1357 × 10^-15 eV·s.

The speed of light (c) is approximately 299,792,458 meters per second.

The given wavelength is 513 nm, which can be converted to meters by multiplying by 10^-9 since there are 1 billion nanometers in a meter. So, the wavelength is 513 × 10^-9 meters.

Substituting the values into the equation,

E = (4.1357 × 10^-15 eV·s × 299,792,458 m/s) / (513 × 10^-9 m)

Simplifying the equation, we get:

E = (1.2457 × 10^-6 eV·m) / (513 × 10^-9 m)

By dividing the numerator by the denominator,

E ≈ 2.42 eV

Therefore, a photon with a wavelength of 513 nm has an energy of approximately 2.42 eV.

(c) Calculation of the wavelength of a photon with an energy of 1.58 eV:

To find the wavelength of a photon given its energy, we rearrange the equation E = hc/λ to solve for λ.

We have the given energy as 1.58 eV.

Substituting the values into the equation,

1.58 eV = (4.1357 × 10^-15 eV·s × 299,792,458 m/s) / λ

To isolate λ, we rearrange the equation:

λ = (4.1357 × 10^-15 eV·s × 299,792,458 m/s) / 1.58 eV

By dividing the numerator by the denominator,

λ ≈ 7.83 × 10^-7 meters

Therefore, a photon with an energy of 1.58 eV has a wavelength of approximately 7.83 × 10^-7 meters or 783 nm.

These calculations assume that the photons are traveling in a vacuum.

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